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    Subject[PATCH v6 4/4] perf jevents: Remove jevents.c
    From
    Remove files and build rules.
    Remove test for comparing with jevents.py as there is no longer a binary
    to compare with.

    Signed-off-by: Ian Rogers <irogers@google.com>
    ---
    tools/perf/Makefile.perf | 21 +-
    tools/perf/pmu-events/Build | 4 -
    tools/perf/pmu-events/jevents-test.sh | 33 -
    tools/perf/pmu-events/jevents.c | 1342 -------------------------
    tools/perf/pmu-events/jsmn.h | 68 --
    tools/perf/pmu-events/json.c | 162 ---
    tools/perf/pmu-events/json.h | 39 -
    7 files changed, 2 insertions(+), 1667 deletions(-)
    delete mode 100755 tools/perf/pmu-events/jevents-test.sh
    delete mode 100644 tools/perf/pmu-events/jevents.c
    delete mode 100644 tools/perf/pmu-events/jsmn.h
    delete mode 100644 tools/perf/pmu-events/json.c
    delete mode 100644 tools/perf/pmu-events/json.h

    diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
    index dc6b177ac1de..8f0b1fb39984 100644
    --- a/tools/perf/Makefile.perf
    +++ b/tools/perf/Makefile.perf
    @@ -651,32 +651,15 @@ strip: $(PROGRAMS) $(OUTPUT)perf

    PERF_IN := $(OUTPUT)perf-in.o

    -JEVENTS := $(OUTPUT)pmu-events/jevents
    -JEVENTS_IN := $(OUTPUT)pmu-events/jevents-in.o
    -
    PMU_EVENTS_IN := $(OUTPUT)pmu-events/pmu-events-in.o
    export NO_JEVENTS

    -export JEVENTS
    -
    build := -f $(srctree)/tools/build/Makefile.build dir=. obj

    $(PERF_IN): prepare FORCE
    $(Q)$(MAKE) $(build)=perf

    -$(JEVENTS_IN): FORCE
    - $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=jevents
    -
    -$(JEVENTS): $(JEVENTS_IN)
    - $(QUIET_LINK)$(HOSTCC) $(JEVENTS_IN) -o $@
    -
    -JEVENTS_PY := pmu-events/jevents.py
    -JEVENTS_PY_TEST := pmu-events/jevents-test.sh
    -.PHONY: jevents-py-test
    -jevents-py-test: $(JEVENTS)
    - $(Q)$(call echo-cmd,gen)$(JEVENTS_PY_TEST) $(JEVENTS) $(JEVENTS_PY) pmu-events/arch
    -
    -$(PMU_EVENTS_IN): $(JEVENTS) FORCE
    +$(PMU_EVENTS_IN): FORCE
    $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events

    $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(PMU_EVENTS_IN) $(LIBTRACEEVENT_DYNAMIC_LIST)
    @@ -1096,7 +1079,7 @@ clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clea
    $(call QUIET_CLEAN, core-objs) $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-iostat $(LANG_BINDINGS)
    $(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
    $(Q)$(RM) $(OUTPUT).config-detected
    - $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)pmu-events/jevents $(OUTPUT)$(LIBJVMTI).so
    + $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)$(LIBJVMTI).so
    $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \
    $(OUTPUT)util/intel-pt-decoder/inat-tables.c \
    $(OUTPUT)tests/llvm-src-{base,kbuild,prologue,relocation}.c \
    diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build
    index 5e459e1c7a85..82e07be354fb 100644
    --- a/tools/perf/pmu-events/Build
    +++ b/tools/perf/pmu-events/Build
    @@ -1,7 +1,3 @@
    -hostprogs := jevents
    -
    -jevents-y += json.o jsmn.o jevents.o
    -HOSTCFLAGS_jevents.o = -I$(srctree)/tools/include
    pmu-events-y += pmu-events.o
    JDIR = pmu-events/arch/$(SRCARCH)
    JSON = $(shell [ -d $(JDIR) ] && \
    diff --git a/tools/perf/pmu-events/jevents-test.sh b/tools/perf/pmu-events/jevents-test.sh
    deleted file mode 100755
    index 9ae852292576..000000000000
    --- a/tools/perf/pmu-events/jevents-test.sh
    +++ /dev/null
    @@ -1,33 +0,0 @@
    -#!/bin/sh
    -# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
    -# Validate that the legacy jevents and jevents.py produce identical output.
    -set -e
    -
    -JEVENTS="$1"
    -JEVENTS_PY="$2"
    -ARCH_PATH="$3"
    -JEVENTS_C_GENERATED=$(mktemp /tmp/jevents_c.XXXXX.c)
    -JEVENTS_PY_GENERATED=$(mktemp /tmp/jevents_py.XXXXX.c)
    -
    -cleanup() {
    - rm "$JEVENTS_C_GENERATED" "$JEVENTS_PY_GENERATED"
    - trap - exit term int
    -}
    -trap cleanup exit term int
    -
    -for path in "$ARCH_PATH"/*
    -do
    - arch=$(basename $path)
    - if [ "$arch" = "test" ]
    - then
    - continue
    - fi
    - echo "Checking architecture: $arch"
    - echo "Generating using jevents.c"
    - "$JEVENTS" "$arch" "$ARCH_PATH" "$JEVENTS_C_GENERATED"
    - echo "Generating using jevents.py"
    - "$JEVENTS_PY" "$arch" "$ARCH_PATH" "$JEVENTS_PY_GENERATED"
    - echo "Diffing"
    - diff -u "$JEVENTS_C_GENERATED" "$JEVENTS_PY_GENERATED"
    -done
    -cleanup
    diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
    deleted file mode 100644
    index e597e4bac90f..000000000000
    --- a/tools/perf/pmu-events/jevents.c
    +++ /dev/null
    @@ -1,1342 +0,0 @@
    -#define _XOPEN_SOURCE 500 /* needed for nftw() */
    -#define _GNU_SOURCE /* needed for asprintf() */
    -
    -/* Parse event JSON files */
    -
    -/*
    - * Copyright (c) 2014, Intel Corporation
    - * All rights reserved.
    - *
    - * Redistribution and use in source and binary forms, with or without
    - * modification, are permitted provided that the following conditions are met:
    - *
    - * 1. Redistributions of source code must retain the above copyright notice,
    - * this list of conditions and the following disclaimer.
    - *
    - * 2. Redistributions in binary form must reproduce the above copyright
    - * notice, this list of conditions and the following disclaimer in the
    - * documentation and/or other materials provided with the distribution.
    - *
    - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
    - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
    - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
    - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
    - * OF THE POSSIBILITY OF SUCH DAMAGE.
    -*/
    -
    -#include <stdio.h>
    -#include <stdlib.h>
    -#include <errno.h>
    -#include <string.h>
    -#include <ctype.h>
    -#include <unistd.h>
    -#include <stdarg.h>
    -#include <libgen.h>
    -#include <limits.h>
    -#include <dirent.h>
    -#include <sys/time.h> /* getrlimit */
    -#include <sys/resource.h> /* getrlimit */
    -#include <ftw.h>
    -#include <sys/stat.h>
    -#include <linux/compiler.h>
    -#include <linux/list.h>
    -#include "jsmn.h"
    -#include "json.h"
    -#include "pmu-events.h"
    -
    -int verbose;
    -char *prog;
    -
    -struct json_event {
    - char *name;
    - char *compat;
    - char *event;
    - char *desc;
    - char *long_desc;
    - char *pmu;
    - char *unit;
    - char *perpkg;
    - char *aggr_mode;
    - char *metric_expr;
    - char *metric_name;
    - char *metric_group;
    - char *deprecated;
    - char *metric_constraint;
    -};
    -
    -static enum aggr_mode_class convert(const char *aggr_mode)
    -{
    - if (!strcmp(aggr_mode, "PerCore"))
    - return PerCore;
    - else if (!strcmp(aggr_mode, "PerChip"))
    - return PerChip;
    -
    - pr_err("%s: Wrong AggregationMode value '%s'\n", prog, aggr_mode);
    - return -1;
    -}
    -
    -static LIST_HEAD(sys_event_tables);
    -
    -struct sys_event_table {
    - struct list_head list;
    - char *soc_id;
    -};
    -
    -static void free_sys_event_tables(void)
    -{
    - struct sys_event_table *et, *next;
    -
    - list_for_each_entry_safe(et, next, &sys_event_tables, list) {
    - free(et->soc_id);
    - free(et);
    - }
    -}
    -
    -int eprintf(int level, int var, const char *fmt, ...)
    -{
    -
    - int ret;
    - va_list args;
    -
    - if (var < level)
    - return 0;
    -
    - va_start(args, fmt);
    -
    - ret = vfprintf(stderr, fmt, args);
    -
    - va_end(args);
    -
    - return ret;
    -}
    -
    -static void addfield(char *map, char **dst, const char *sep,
    - const char *a, jsmntok_t *bt)
    -{
    - unsigned int len = strlen(a) + 1 + strlen(sep);
    - int olen = *dst ? strlen(*dst) : 0;
    - int blen = bt ? json_len(bt) : 0;
    - char *out;
    -
    - out = realloc(*dst, len + olen + blen);
    - if (!out) {
    - /* Don't add field in this case */
    - return;
    - }
    - *dst = out;
    -
    - if (!olen)
    - *(*dst) = 0;
    - else
    - strcat(*dst, sep);
    - strcat(*dst, a);
    - if (bt)
    - strncat(*dst, map + bt->start, blen);
    -}
    -
    -static void fixname(char *s)
    -{
    - for (; *s; s++)
    - *s = tolower(*s);
    -}
    -
    -static void fixdesc(char *s)
    -{
    - char *e = s + strlen(s);
    -
    - /* Remove trailing dots that look ugly in perf list */
    - --e;
    - while (e >= s && isspace(*e))
    - --e;
    - if (*e == '.')
    - *e = 0;
    -}
    -
    -/* Add escapes for '\' so they are proper C strings. */
    -static char *fixregex(char *s)
    -{
    - int len = 0;
    - int esc_count = 0;
    - char *fixed = NULL;
    - char *p, *q;
    -
    - /* Count the number of '\' in string */
    - for (p = s; *p; p++) {
    - ++len;
    - if (*p == '\\')
    - ++esc_count;
    - }
    -
    - if (esc_count == 0)
    - return s;
    -
    - /* allocate space for a new string */
    - fixed = (char *) malloc(len + esc_count + 1);
    - if (!fixed)
    - return NULL;
    -
    - /* copy over the characters */
    - q = fixed;
    - for (p = s; *p; p++) {
    - if (*p == '\\') {
    - *q = '\\';
    - ++q;
    - }
    - *q = *p;
    - ++q;
    - }
    - *q = '\0';
    - return fixed;
    -}
    -
    -static struct msrmap {
    - const char *num;
    - const char *pname;
    -} msrmap[] = {
    - { "0x3F6", "ldlat=" },
    - { "0x1A6", "offcore_rsp=" },
    - { "0x1A7", "offcore_rsp=" },
    - { "0x3F7", "frontend=" },
    - { NULL, NULL }
    -};
    -
    -static void cut_comma(char *map, jsmntok_t *newval)
    -{
    - int i;
    -
    - /* Cut off everything after comma */
    - for (i = newval->start; i < newval->end; i++) {
    - if (map[i] == ',')
    - newval->end = i;
    - }
    -}
    -
    -static struct msrmap *lookup_msr(char *map, jsmntok_t *val)
    -{
    - jsmntok_t newval = *val;
    - static bool warned;
    - int i;
    -
    - cut_comma(map, &newval);
    - for (i = 0; msrmap[i].num; i++)
    - if (json_streq(map, &newval, msrmap[i].num))
    - return &msrmap[i];
    - if (!warned) {
    - warned = true;
    - pr_err("%s: Unknown MSR in event file %.*s\n", prog,
    - json_len(val), map + val->start);
    - }
    - return NULL;
    -}
    -
    -static struct map {
    - const char *json;
    - const char *perf;
    -} unit_to_pmu[] = {
    - { "CBO", "uncore_cbox" },
    - { "QPI LL", "uncore_qpi" },
    - { "SBO", "uncore_sbox" },
    - { "iMPH-U", "uncore_arb" },
    - { "CPU-M-CF", "cpum_cf" },
    - { "CPU-M-SF", "cpum_sf" },
    - { "UPI LL", "uncore_upi" },
    - { "hisi_sicl,cpa", "hisi_sicl,cpa"},
    - { "hisi_sccl,ddrc", "hisi_sccl,ddrc" },
    - { "hisi_sccl,hha", "hisi_sccl,hha" },
    - { "hisi_sccl,l3c", "hisi_sccl,l3c" },
    - /* it's not realistic to keep adding these, we need something more scalable ... */
    - { "imx8_ddr", "imx8_ddr" },
    - { "L3PMC", "amd_l3" },
    - { "DFPMC", "amd_df" },
    - { "cpu_core", "cpu_core" },
    - { "cpu_atom", "cpu_atom" },
    - {}
    -};
    -
    -static const char *field_to_perf(struct map *table, char *map, jsmntok_t *val)
    -{
    - int i;
    -
    - for (i = 0; table[i].json; i++) {
    - if (json_streq(map, val, table[i].json))
    - return table[i].perf;
    - }
    - return NULL;
    -}
    -
    -#define EXPECT(e, t, m) do { if (!(e)) { \
    - jsmntok_t *loc = (t); \
    - if (!(t)->start && (t) > tokens) \
    - loc = (t) - 1; \
    - pr_err("%s:%d: " m ", got %s\n", fn, \
    - json_line(map, loc), \
    - json_name(t)); \
    - err = -EIO; \
    - goto out_free; \
    -} } while (0)
    -
    -static char *topic;
    -
    -static char *get_topic(void)
    -{
    - char *tp;
    - int i;
    -
    - /* tp is free'd in process_one_file() */
    - i = asprintf(&tp, "%s", topic);
    - if (i < 0) {
    - pr_info("%s: asprintf() error %s\n", prog);
    - return NULL;
    - }
    -
    - for (i = 0; i < (int) strlen(tp); i++) {
    - char c = tp[i];
    -
    - if (c == '-')
    - tp[i] = ' ';
    - else if (c == '.') {
    - tp[i] = '\0';
    - break;
    - }
    - }
    -
    - return tp;
    -}
    -
    -static int add_topic(char *bname)
    -{
    - free(topic);
    - topic = strdup(bname);
    - if (!topic) {
    - pr_info("%s: strdup() error %s for file %s\n", prog,
    - strerror(errno), bname);
    - return -ENOMEM;
    - }
    - return 0;
    -}
    -
    -struct perf_entry_data {
    - FILE *outfp;
    - char *topic;
    -};
    -
    -static int close_table;
    -
    -static void print_events_table_prefix(FILE *fp, const char *tblname)
    -{
    - fprintf(fp, "static const struct pmu_event %s[] = {\n", tblname);
    - close_table = 1;
    -}
    -
    -static int print_events_table_entry(void *data, struct json_event *je)
    -{
    - struct perf_entry_data *pd = data;
    - FILE *outfp = pd->outfp;
    - char *topic_local = pd->topic;
    -
    - /*
    - * TODO: Remove formatting chars after debugging to reduce
    - * string lengths.
    - */
    - fprintf(outfp, "{\n");
    -
    - if (je->name)
    - fprintf(outfp, "\t.name = \"%s\",\n", je->name);
    - if (je->event)
    - fprintf(outfp, "\t.event = \"%s\",\n", je->event);
    - fprintf(outfp, "\t.desc = \"%s\",\n", je->desc);
    - if (je->compat)
    - fprintf(outfp, "\t.compat = \"%s\",\n", je->compat);
    - fprintf(outfp, "\t.topic = \"%s\",\n", topic_local);
    - if (je->long_desc && je->long_desc[0])
    - fprintf(outfp, "\t.long_desc = \"%s\",\n", je->long_desc);
    - if (je->pmu)
    - fprintf(outfp, "\t.pmu = \"%s\",\n", je->pmu);
    - if (je->unit)
    - fprintf(outfp, "\t.unit = \"%s\",\n", je->unit);
    - if (je->perpkg)
    - fprintf(outfp, "\t.perpkg = \"%s\",\n", je->perpkg);
    - if (je->aggr_mode)
    - fprintf(outfp, "\t.aggr_mode = \"%d\",\n", convert(je->aggr_mode));
    - if (je->metric_expr)
    - fprintf(outfp, "\t.metric_expr = \"%s\",\n", je->metric_expr);
    - if (je->metric_name)
    - fprintf(outfp, "\t.metric_name = \"%s\",\n", je->metric_name);
    - if (je->metric_group)
    - fprintf(outfp, "\t.metric_group = \"%s\",\n", je->metric_group);
    - if (je->deprecated)
    - fprintf(outfp, "\t.deprecated = \"%s\",\n", je->deprecated);
    - if (je->metric_constraint)
    - fprintf(outfp, "\t.metric_constraint = \"%s\",\n", je->metric_constraint);
    - fprintf(outfp, "},\n");
    -
    - return 0;
    -}
    -
    -struct event_struct {
    - struct list_head list;
    - char *name;
    - char *event;
    - char *compat;
    - char *desc;
    - char *long_desc;
    - char *pmu;
    - char *unit;
    - char *perpkg;
    - char *aggr_mode;
    - char *metric_expr;
    - char *metric_name;
    - char *metric_group;
    - char *deprecated;
    - char *metric_constraint;
    -};
    -
    -#define ADD_EVENT_FIELD(field) do { if (je->field) { \
    - es->field = strdup(je->field); \
    - if (!es->field) \
    - goto out_free; \
    -} } while (0)
    -
    -#define FREE_EVENT_FIELD(field) free(es->field)
    -
    -#define TRY_FIXUP_FIELD(field) do { if (es->field && !je->field) {\
    - je->field = strdup(es->field); \
    - if (!je->field) \
    - return -ENOMEM; \
    -} } while (0)
    -
    -#define FOR_ALL_EVENT_STRUCT_FIELDS(op) do { \
    - op(name); \
    - op(event); \
    - op(desc); \
    - op(long_desc); \
    - op(pmu); \
    - op(unit); \
    - op(perpkg); \
    - op(aggr_mode); \
    - op(metric_expr); \
    - op(metric_name); \
    - op(metric_group); \
    - op(deprecated); \
    -} while (0)
    -
    -static LIST_HEAD(arch_std_events);
    -
    -static void free_arch_std_events(void)
    -{
    - struct event_struct *es, *next;
    -
    - list_for_each_entry_safe(es, next, &arch_std_events, list) {
    - FOR_ALL_EVENT_STRUCT_FIELDS(FREE_EVENT_FIELD);
    - list_del_init(&es->list);
    - free(es);
    - }
    -}
    -
    -static int save_arch_std_events(void *data __maybe_unused, struct json_event *je)
    -{
    - struct event_struct *es;
    -
    - es = malloc(sizeof(*es));
    - if (!es)
    - return -ENOMEM;
    - memset(es, 0, sizeof(*es));
    - FOR_ALL_EVENT_STRUCT_FIELDS(ADD_EVENT_FIELD);
    - list_add_tail(&es->list, &arch_std_events);
    - return 0;
    -out_free:
    - FOR_ALL_EVENT_STRUCT_FIELDS(FREE_EVENT_FIELD);
    - free(es);
    - return -ENOMEM;
    -}
    -
    -static void print_events_table_suffix(FILE *outfp)
    -{
    - fprintf(outfp, "{\n");
    -
    - fprintf(outfp, "\t.name = 0,\n");
    - fprintf(outfp, "\t.event = 0,\n");
    - fprintf(outfp, "\t.desc = 0,\n");
    -
    - fprintf(outfp, "},\n");
    - fprintf(outfp, "};\n");
    - close_table = 0;
    -}
    -
    -static struct fixed {
    - const char *name;
    - const char *event;
    -} fixed[] = {
    - { "inst_retired.any", "event=0xc0,period=2000003" },
    - { "inst_retired.any_p", "event=0xc0,period=2000003" },
    - { "cpu_clk_unhalted.ref", "event=0x0,umask=0x03,period=2000003" },
    - { "cpu_clk_unhalted.thread", "event=0x3c,period=2000003" },
    - { "cpu_clk_unhalted.core", "event=0x3c,period=2000003" },
    - { "cpu_clk_unhalted.thread_any", "event=0x3c,any=1,period=2000003" },
    - { NULL, NULL},
    -};
    -
    -/*
    - * Handle different fixed counter encodings between JSON and perf.
    - */
    -static char *real_event(const char *name, char *event)
    -{
    - int i;
    -
    - if (!name)
    - return NULL;
    -
    - for (i = 0; fixed[i].name; i++)
    - if (!strcasecmp(name, fixed[i].name))
    - return (char *)fixed[i].event;
    - return event;
    -}
    -
    -static int
    -try_fixup(const char *fn, char *arch_std, struct json_event *je, char **event)
    -{
    - /* try to find matching event from arch standard values */
    - struct event_struct *es;
    -
    - list_for_each_entry(es, &arch_std_events, list) {
    - if (!strcmp(arch_std, es->name)) {
    - FOR_ALL_EVENT_STRUCT_FIELDS(TRY_FIXUP_FIELD);
    - *event = je->event;
    - return 0;
    - }
    - }
    -
    - pr_err("%s: could not find matching %s for %s\n",
    - prog, arch_std, fn);
    - return -1;
    -}
    -
    -/* Call func with each event in the json file */
    -static int json_events(const char *fn,
    - int (*func)(void *data, struct json_event *je),
    - void *data)
    -{
    - int err;
    - size_t size;
    - jsmntok_t *tokens, *tok;
    - int i, j, len;
    - char *map;
    - char buf[128];
    -
    - if (!fn)
    - return -ENOENT;
    -
    - tokens = parse_json(fn, &map, &size, &len);
    - if (!tokens)
    - return -EIO;
    - EXPECT(tokens->type == JSMN_ARRAY, tokens, "expected top level array");
    - tok = tokens + 1;
    - for (i = 0; i < tokens->size; i++) {
    - char *event = NULL;
    - char *extra_desc = NULL;
    - char *filter = NULL;
    - struct json_event je = {};
    - char *arch_std = NULL;
    - unsigned long long eventcode = 0;
    - unsigned long long configcode = 0;
    - struct msrmap *msr = NULL;
    - jsmntok_t *msrval = NULL;
    - jsmntok_t *precise = NULL;
    - jsmntok_t *obj = tok++;
    - bool configcode_present = false;
    - char *umask = NULL;
    - char *cmask = NULL;
    - char *inv = NULL;
    - char *any = NULL;
    - char *edge = NULL;
    - char *period = NULL;
    - char *fc_mask = NULL;
    - char *ch_mask = NULL;
    -
    - EXPECT(obj->type == JSMN_OBJECT, obj, "expected object");
    - for (j = 0; j < obj->size; j += 2) {
    - jsmntok_t *field, *val;
    - int nz;
    - char *s;
    -
    - field = tok + j;
    - EXPECT(field->type == JSMN_STRING, tok + j,
    - "Expected field name");
    - val = tok + j + 1;
    - EXPECT(val->type == JSMN_STRING, tok + j + 1,
    - "Expected string value");
    -
    - nz = !json_streq(map, val, "0");
    - /* match_field */
    - if (json_streq(map, field, "UMask") && nz) {
    - addfield(map, &umask, "", "umask=", val);
    - } else if (json_streq(map, field, "CounterMask") && nz) {
    - addfield(map, &cmask, "", "cmask=", val);
    - } else if (json_streq(map, field, "Invert") && nz) {
    - addfield(map, &inv, "", "inv=", val);
    - } else if (json_streq(map, field, "AnyThread") && nz) {
    - addfield(map, &any, "", "any=", val);
    - } else if (json_streq(map, field, "EdgeDetect") && nz) {
    - addfield(map, &edge, "", "edge=", val);
    - } else if (json_streq(map, field, "SampleAfterValue") && nz) {
    - addfield(map, &period, "", "period=", val);
    - } else if (json_streq(map, field, "FCMask") && nz) {
    - addfield(map, &fc_mask, "", "fc_mask=", val);
    - } else if (json_streq(map, field, "PortMask") && nz) {
    - addfield(map, &ch_mask, "", "ch_mask=", val);
    - } else if (json_streq(map, field, "EventCode")) {
    - char *code = NULL;
    - addfield(map, &code, "", "", val);
    - eventcode |= strtoul(code, NULL, 0);
    - free(code);
    - } else if (json_streq(map, field, "ConfigCode")) {
    - char *code = NULL;
    - addfield(map, &code, "", "", val);
    - configcode |= strtoul(code, NULL, 0);
    - free(code);
    - configcode_present = true;
    - } else if (json_streq(map, field, "ExtSel")) {
    - char *code = NULL;
    - addfield(map, &code, "", "", val);
    - eventcode |= strtoul(code, NULL, 0) << 8;
    - free(code);
    - } else if (json_streq(map, field, "EventName")) {
    - addfield(map, &je.name, "", "", val);
    - } else if (json_streq(map, field, "Compat")) {
    - addfield(map, &je.compat, "", "", val);
    - } else if (json_streq(map, field, "BriefDescription")) {
    - addfield(map, &je.desc, "", "", val);
    - fixdesc(je.desc);
    - } else if (json_streq(map, field,
    - "PublicDescription")) {
    - addfield(map, &je.long_desc, "", "", val);
    - fixdesc(je.long_desc);
    - } else if (json_streq(map, field, "PEBS") && nz) {
    - precise = val;
    - } else if (json_streq(map, field, "MSRIndex") && nz) {
    - msr = lookup_msr(map, val);
    - } else if (json_streq(map, field, "MSRValue")) {
    - msrval = val;
    - } else if (json_streq(map, field, "Errata") &&
    - !json_streq(map, val, "null")) {
    - addfield(map, &extra_desc, ". ",
    - " Spec update: ", val);
    - } else if (json_streq(map, field, "Data_LA") && nz) {
    - addfield(map, &extra_desc, ". ",
    - " Supports address when precise",
    - NULL);
    - } else if (json_streq(map, field, "Unit")) {
    - const char *ppmu;
    -
    - ppmu = field_to_perf(unit_to_pmu, map, val);
    - if (ppmu) {
    - je.pmu = strdup(ppmu);
    - } else {
    - if (!je.pmu)
    - je.pmu = strdup("uncore_");
    - addfield(map, &je.pmu, "", "", val);
    - for (s = je.pmu; *s; s++)
    - *s = tolower(*s);
    - }
    - } else if (json_streq(map, field, "Filter")) {
    - addfield(map, &filter, "", "", val);
    - } else if (json_streq(map, field, "ScaleUnit")) {
    - addfield(map, &je.unit, "", "", val);
    - } else if (json_streq(map, field, "PerPkg")) {
    - addfield(map, &je.perpkg, "", "", val);
    - } else if (json_streq(map, field, "AggregationMode")) {
    - addfield(map, &je.aggr_mode, "", "", val);
    - } else if (json_streq(map, field, "Deprecated")) {
    - addfield(map, &je.deprecated, "", "", val);
    - } else if (json_streq(map, field, "MetricName")) {
    - addfield(map, &je.metric_name, "", "", val);
    - } else if (json_streq(map, field, "MetricGroup")) {
    - addfield(map, &je.metric_group, "", "", val);
    - } else if (json_streq(map, field, "MetricConstraint")) {
    - addfield(map, &je.metric_constraint, "", "", val);
    - } else if (json_streq(map, field, "MetricExpr")) {
    - addfield(map, &je.metric_expr, "", "", val);
    - } else if (json_streq(map, field, "ArchStdEvent")) {
    - addfield(map, &arch_std, "", "", val);
    - for (s = arch_std; *s; s++)
    - *s = tolower(*s);
    - }
    - /* ignore unknown fields */
    - }
    - if (precise && je.desc && !strstr(je.desc, "(Precise Event)")) {
    - if (json_streq(map, precise, "2"))
    - addfield(map, &extra_desc, " ",
    - "(Must be precise)", NULL);
    - else
    - addfield(map, &extra_desc, " ",
    - "(Precise event)", NULL);
    - }
    - if (configcode_present)
    - snprintf(buf, sizeof buf, "config=%#llx", configcode);
    - else
    - snprintf(buf, sizeof buf, "event=%#llx", eventcode);
    - addfield(map, &event, ",", buf, NULL);
    - if (any)
    - addfield(map, &event, ",", any, NULL);
    - if (ch_mask)
    - addfield(map, &event, ",", ch_mask, NULL);
    - if (cmask)
    - addfield(map, &event, ",", cmask, NULL);
    - if (edge)
    - addfield(map, &event, ",", edge, NULL);
    - if (fc_mask)
    - addfield(map, &event, ",", fc_mask, NULL);
    - if (inv)
    - addfield(map, &event, ",", inv, NULL);
    - if (period)
    - addfield(map, &event, ",", period, NULL);
    - if (umask)
    - addfield(map, &event, ",", umask, NULL);
    -
    - if (je.desc && extra_desc)
    - addfield(map, &je.desc, " ", extra_desc, NULL);
    - if (je.long_desc && extra_desc)
    - addfield(map, &je.long_desc, " ", extra_desc, NULL);
    - if (je.pmu) {
    - addfield(map, &je.desc, ". ", "Unit: ", NULL);
    - addfield(map, &je.desc, "", je.pmu, NULL);
    - addfield(map, &je.desc, "", " ", NULL);
    - }
    - if (filter)
    - addfield(map, &event, ",", filter, NULL);
    - if (msr != NULL)
    - addfield(map, &event, ",", msr->pname, msrval);
    - if (je.name)
    - fixname(je.name);
    -
    - if (arch_std) {
    - /*
    - * An arch standard event is referenced, so try to
    - * fixup any unassigned values.
    - */
    - err = try_fixup(fn, arch_std, &je, &event);
    - if (err)
    - goto free_strings;
    - }
    - je.event = real_event(je.name, event);
    - err = func(data, &je);
    -free_strings:
    - free(umask);
    - free(cmask);
    - free(inv);
    - free(any);
    - free(edge);
    - free(period);
    - free(fc_mask);
    - free(ch_mask);
    - free(event);
    - free(je.desc);
    - free(je.name);
    - free(je.compat);
    - free(je.long_desc);
    - free(extra_desc);
    - free(je.pmu);
    - free(filter);
    - free(je.perpkg);
    - free(je.aggr_mode);
    - free(je.deprecated);
    - free(je.unit);
    - free(je.metric_expr);
    - free(je.metric_name);
    - free(je.metric_group);
    - free(je.metric_constraint);
    - free(arch_std);
    -
    - if (err)
    - break;
    - tok += j;
    - }
    - EXPECT(tok - tokens == len, tok, "unexpected objects at end");
    - err = 0;
    -out_free:
    - free_json(map, size, tokens);
    - return err;
    -}
    -
    -static char *file_name_to_table_name(char *fname)
    -{
    - unsigned int i;
    - int n;
    - int c;
    - char *tblname;
    -
    - /*
    - * Ensure tablename starts with alphabetic character.
    - * Derive rest of table name from basename of the JSON file,
    - * replacing hyphens and stripping out .json suffix.
    - */
    - n = asprintf(&tblname, "pme_%s", fname);
    - if (n < 0) {
    - pr_info("%s: asprintf() error %s for file %s\n", prog,
    - strerror(errno), fname);
    - return NULL;
    - }
    -
    - for (i = 0; i < strlen(tblname); i++) {
    - c = tblname[i];
    -
    - if (c == '-' || c == '/')
    - tblname[i] = '_';
    - else if (c == '.') {
    - tblname[i] = '\0';
    - break;
    - } else if (!isalnum(c) && c != '_') {
    - pr_err("%s: Invalid character '%c' in file name %s\n",
    - prog, c, basename(fname));
    - free(tblname);
    - tblname = NULL;
    - break;
    - }
    - }
    -
    - return tblname;
    -}
    -
    -static bool is_sys_dir(char *fname)
    -{
    - size_t len = strlen(fname), len2 = strlen("/sys");
    -
    - if (len2 > len)
    - return false;
    - return !strcmp(fname+len-len2, "/sys");
    -}
    -
    -static void print_mapping_table_prefix(FILE *outfp)
    -{
    - fprintf(outfp, "const struct pmu_events_map pmu_events_map[] = {\n");
    -}
    -
    -static void print_mapping_table_suffix(FILE *outfp)
    -{
    - /*
    - * Print the terminating, NULL entry.
    - */
    - fprintf(outfp, "{\n");
    - fprintf(outfp, "\t.cpuid = 0,\n");
    - fprintf(outfp, "\t.version = 0,\n");
    - fprintf(outfp, "\t.type = 0,\n");
    - fprintf(outfp, "\t.table = 0,\n");
    - fprintf(outfp, "},\n");
    -
    - /* and finally, the closing curly bracket for the struct */
    - fprintf(outfp, "};\n");
    -}
    -
    -static void print_mapping_test_table(FILE *outfp)
    -{
    - /*
    - * Print the terminating, NULL entry.
    - */
    - fprintf(outfp, "{\n");
    - fprintf(outfp, "\t.cpuid = \"testcpu\",\n");
    - fprintf(outfp, "\t.version = \"v1\",\n");
    - fprintf(outfp, "\t.type = \"core\",\n");
    - fprintf(outfp, "\t.table = pme_test_soc_cpu,\n");
    - fprintf(outfp, "},\n");
    -}
    -
    -static void print_system_event_mapping_table_prefix(FILE *outfp)
    -{
    - fprintf(outfp, "\nconst struct pmu_sys_events pmu_sys_event_tables[] = {");
    -}
    -
    -static void print_system_event_mapping_table_suffix(FILE *outfp)
    -{
    - fprintf(outfp, "\n\t{\n\t\t.table = 0\n\t},");
    - fprintf(outfp, "\n};\n");
    -}
    -
    -static int process_system_event_tables(FILE *outfp)
    -{
    - struct sys_event_table *sys_event_table;
    -
    - print_system_event_mapping_table_prefix(outfp);
    -
    - list_for_each_entry(sys_event_table, &sys_event_tables, list) {
    - fprintf(outfp, "\n\t{\n\t\t.table = %s,\n\t\t.name = \"%s\",\n\t},",
    - sys_event_table->soc_id,
    - sys_event_table->soc_id);
    - }
    -
    - print_system_event_mapping_table_suffix(outfp);
    -
    - return 0;
    -}
    -
    -static int process_mapfile(FILE *outfp, char *fpath)
    -{
    - int n = 16384;
    - FILE *mapfp;
    - char *save = NULL;
    - char *line, *p;
    - int line_num;
    - char *tblname;
    - int ret = 0;
    -
    - pr_info("%s: Processing mapfile %s\n", prog, fpath);
    -
    - line = malloc(n);
    - if (!line)
    - return -1;
    -
    - mapfp = fopen(fpath, "r");
    - if (!mapfp) {
    - pr_info("%s: Error %s opening %s\n", prog, strerror(errno),
    - fpath);
    - free(line);
    - return -1;
    - }
    -
    - print_mapping_table_prefix(outfp);
    -
    - /* Skip first line (header) */
    - p = fgets(line, n, mapfp);
    - if (!p)
    - goto out;
    -
    - line_num = 1;
    - while (1) {
    - char *cpuid, *version, *type, *fname;
    -
    - line_num++;
    - p = fgets(line, n, mapfp);
    - if (!p)
    - break;
    -
    - if (line[0] == '#' || line[0] == '\n')
    - continue;
    -
    - if (line[strlen(line)-1] != '\n') {
    - /* TODO Deal with lines longer than 16K */
    - pr_info("%s: Mapfile %s: line %d too long, aborting\n",
    - prog, fpath, line_num);
    - ret = -1;
    - goto out;
    - }
    - line[strlen(line)-1] = '\0';
    -
    - cpuid = fixregex(strtok_r(p, ",", &save));
    - version = strtok_r(NULL, ",", &save);
    - fname = strtok_r(NULL, ",", &save);
    - type = strtok_r(NULL, ",", &save);
    -
    - tblname = file_name_to_table_name(fname);
    - fprintf(outfp, "{\n");
    - fprintf(outfp, "\t.cpuid = \"%s\",\n", cpuid);
    - fprintf(outfp, "\t.version = \"%s\",\n", version);
    - fprintf(outfp, "\t.type = \"%s\",\n", type);
    -
    - /*
    - * CHECK: We can't use the type (eg "core") field in the
    - * table name. For us to do that, we need to somehow tweak
    - * the other caller of file_name_to_table(), process_json()
    - * to determine the type. process_json() file has no way
    - * of knowing these are "core" events unless file name has
    - * core in it. If filename has core in it, we can safely
    - * ignore the type field here also.
    - */
    - fprintf(outfp, "\t.table = %s\n", tblname);
    - fprintf(outfp, "},\n");
    - }
    -
    -out:
    - print_mapping_test_table(outfp);
    - print_mapping_table_suffix(outfp);
    - fclose(mapfp);
    - free(line);
    - return ret;
    -}
    -
    -/*
    - * If we fail to locate/process JSON and map files, create a NULL mapping
    - * table. This would at least allow perf to build even if we can't find/use
    - * the aliases.
    - */
    -static void create_empty_mapping(const char *output_file)
    -{
    - FILE *outfp;
    -
    - pr_info("%s: Creating empty pmu_events_map[] table\n", prog);
    -
    - /* Truncate file to clear any partial writes to it */
    - outfp = fopen(output_file, "w");
    - if (!outfp) {
    - perror("fopen()");
    - _Exit(1);
    - }
    -
    - fprintf(outfp, "#include \"pmu-events/pmu-events.h\"\n");
    - print_mapping_table_prefix(outfp);
    - print_mapping_table_suffix(outfp);
    - print_system_event_mapping_table_prefix(outfp);
    - print_system_event_mapping_table_suffix(outfp);
    - fclose(outfp);
    -}
    -
    -static int get_maxfds(void)
    -{
    - struct rlimit rlim;
    -
    - if (getrlimit(RLIMIT_NOFILE, &rlim) == 0)
    - return min(rlim.rlim_max / 2, (rlim_t)512);
    -
    - return 512;
    -}
    -
    -/*
    - * nftw() doesn't let us pass an argument to the processing function,
    - * so use a global variables.
    - */
    -static FILE *eventsfp;
    -static char *mapfile;
    -
    -static int is_leaf_dir(const char *fpath)
    -{
    - DIR *d;
    - struct dirent *dir;
    - int res = 1;
    -
    - d = opendir(fpath);
    - if (!d)
    - return 0;
    -
    - while ((dir = readdir(d)) != NULL) {
    - if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
    - continue;
    -
    - if (dir->d_type == DT_DIR) {
    - res = 0;
    - break;
    - } else if (dir->d_type == DT_UNKNOWN) {
    - char path[PATH_MAX];
    - struct stat st;
    -
    - sprintf(path, "%s/%s", fpath, dir->d_name);
    - if (stat(path, &st))
    - break;
    -
    - if (S_ISDIR(st.st_mode)) {
    - res = 0;
    - break;
    - }
    - }
    - }
    -
    - closedir(d);
    -
    - return res;
    -}
    -
    -static int is_json_file(const char *name)
    -{
    - const char *suffix;
    -
    - if (strlen(name) < 5)
    - return 0;
    -
    - suffix = name + strlen(name) - 5;
    -
    - if (strncmp(suffix, ".json", 5) == 0)
    - return 1;
    - return 0;
    -}
    -
    -static int preprocess_arch_std_files(const char *fpath, const struct stat *sb,
    - int typeflag, struct FTW *ftwbuf)
    -{
    - int level = ftwbuf->level;
    - int is_file = typeflag == FTW_F;
    -
    - if (level == 1 && is_file && is_json_file(fpath))
    - return json_events(fpath, save_arch_std_events, (void *)sb);
    -
    - return 0;
    -}
    -
    -static int process_one_file(const char *fpath, const struct stat *sb,
    - int typeflag, struct FTW *ftwbuf)
    -{
    - char *tblname, *bname;
    - int is_dir = typeflag == FTW_D;
    - int is_file = typeflag == FTW_F;
    - int level = ftwbuf->level;
    - int err = 0;
    -
    - if (level >= 2 && is_dir) {
    - int count = 0;
    - /*
    - * For level 2 directory, bname will include parent name,
    - * like vendor/platform. So search back from platform dir
    - * to find this.
    - * Something similar for level 3 directory, but we're a PMU
    - * category folder, like vendor/platform/cpu.
    - */
    - bname = (char *) fpath + ftwbuf->base - 2;
    - for (;;) {
    - if (*bname == '/')
    - count++;
    - if (count == level - 1)
    - break;
    - bname--;
    - }
    - bname++;
    - } else
    - bname = (char *) fpath + ftwbuf->base;
    -
    - pr_debug("%s %d %7jd %-20s %s\n",
    - is_file ? "f" : is_dir ? "d" : "x",
    - level, sb->st_size, bname, fpath);
    -
    - /* base dir or too deep */
    - if (level == 0 || level > 4)
    - return 0;
    -
    -
    - /* model directory, reset topic */
    - if ((level == 1 && is_dir && is_leaf_dir(fpath)) ||
    - (level >= 2 && is_dir && is_leaf_dir(fpath))) {
    - if (close_table)
    - print_events_table_suffix(eventsfp);
    -
    - /*
    - * Drop file name suffix. Replace hyphens with underscores.
    - * Fail if file name contains any alphanum characters besides
    - * underscores.
    - */
    - tblname = file_name_to_table_name(bname);
    - if (!tblname) {
    - pr_info("%s: Error determining table name for %s\n", prog,
    - bname);
    - return -1;
    - }
    -
    - if (is_sys_dir(bname)) {
    - struct sys_event_table *sys_event_table;
    -
    - sys_event_table = malloc(sizeof(*sys_event_table));
    - if (!sys_event_table)
    - return -1;
    -
    - sys_event_table->soc_id = strdup(tblname);
    - if (!sys_event_table->soc_id) {
    - free(sys_event_table);
    - return -1;
    - }
    - list_add_tail(&sys_event_table->list,
    - &sys_event_tables);
    - }
    -
    - print_events_table_prefix(eventsfp, tblname);
    - return 0;
    - }
    -
    - /*
    - * Save the mapfile name for now. We will process mapfile
    - * after processing all JSON files (so we can write out the
    - * mapping table after all PMU events tables).
    - *
    - */
    - if (level == 1 && is_file) {
    - if (!strcmp(bname, "mapfile.csv")) {
    - mapfile = strdup(fpath);
    - return 0;
    - }
    - if (is_json_file(bname))
    - pr_debug("%s: ArchStd json is preprocessed %s\n", prog, fpath);
    - else
    - pr_info("%s: Ignoring file %s\n", prog, fpath);
    - return 0;
    - }
    -
    - /*
    - * If the file name does not have a .json extension,
    - * ignore it. It could be a readme.txt for instance.
    - */
    - if (is_file) {
    - if (!is_json_file(bname)) {
    - pr_info("%s: Ignoring file without .json suffix %s\n", prog,
    - fpath);
    - return 0;
    - }
    - }
    -
    - if (level > 1 && add_topic(bname))
    - return -ENOMEM;
    -
    - /*
    - * Assume all other files are JSON files.
    - *
    - * If mapfile refers to 'power7_core.json', we create a table
    - * named 'power7_core'. Any inconsistencies between the mapfile
    - * and directory tree could result in build failure due to table
    - * names not being found.
    - *
    - * At least for now, be strict with processing JSON file names.
    - * i.e. if JSON file name cannot be mapped to C-style table name,
    - * fail.
    - */
    - if (is_file) {
    - struct perf_entry_data data = {
    - .topic = get_topic(),
    - .outfp = eventsfp,
    - };
    -
    - err = json_events(fpath, print_events_table_entry, &data);
    -
    - free(data.topic);
    - }
    -
    - return err;
    -}
    -
    -#ifndef PATH_MAX
    -#define PATH_MAX 4096
    -#endif
    -
    -/*
    - * Starting in directory 'start_dirname', find the "mapfile.csv" and
    - * the set of JSON files for the architecture 'arch'.
    - *
    - * From each JSON file, create a C-style "PMU events table" from the
    - * JSON file (see struct pmu_event).
    - *
    - * From the mapfile, create a mapping between the CPU revisions and
    - * PMU event tables (see struct pmu_events_map).
    - *
    - * Write out the PMU events tables and the mapping table to pmu-event.c.
    - */
    -int main(int argc, char *argv[])
    -{
    - int rc, ret = 0, empty_map = 0;
    - int maxfds;
    - char ldirname[PATH_MAX];
    - const char *arch;
    - const char *output_file;
    - const char *start_dirname;
    - const char *err_string_ext = "";
    - struct stat stbuf;
    -
    - prog = basename(argv[0]);
    - if (argc < 4) {
    - pr_err("Usage: %s <arch> <starting_dir> <output_file>\n", prog);
    - return 1;
    - }
    -
    - arch = argv[1];
    - start_dirname = argv[2];
    - output_file = argv[3];
    -
    - if (argc > 4)
    - verbose = atoi(argv[4]);
    -
    - eventsfp = fopen(output_file, "w");
    - if (!eventsfp) {
    - pr_err("%s Unable to create required file %s (%s)\n",
    - prog, output_file, strerror(errno));
    - return 2;
    - }
    -
    - sprintf(ldirname, "%s/%s", start_dirname, arch);
    -
    - /* If architecture does not have any event lists, bail out */
    - if (stat(ldirname, &stbuf) < 0) {
    - pr_info("%s: Arch %s has no PMU event lists\n", prog, arch);
    - empty_map = 1;
    - goto err_close_eventsfp;
    - }
    -
    - /* Include pmu-events.h first */
    - fprintf(eventsfp, "#include \"pmu-events/pmu-events.h\"\n");
    -
    - /*
    - * The mapfile allows multiple CPUids to point to the same JSON file,
    - * so, not sure if there is a need for symlinks within the pmu-events
    - * directory.
    - *
    - * For now, treat symlinks of JSON files as regular files and create
    - * separate tables for each symlink (presumably, each symlink refers
    - * to specific version of the CPU).
    - */
    -
    - maxfds = get_maxfds();
    - rc = nftw(ldirname, preprocess_arch_std_files, maxfds, 0);
    - if (rc)
    - goto err_processing_std_arch_event_dir;
    -
    - rc = nftw(ldirname, process_one_file, maxfds, 0);
    - if (rc)
    - goto err_processing_dir;
    -
    - sprintf(ldirname, "%s/test", start_dirname);
    -
    - rc = nftw(ldirname, preprocess_arch_std_files, maxfds, 0);
    - if (rc)
    - goto err_processing_std_arch_event_dir;
    -
    - rc = nftw(ldirname, process_one_file, maxfds, 0);
    - if (rc)
    - goto err_processing_dir;
    -
    - if (close_table)
    - print_events_table_suffix(eventsfp);
    -
    - if (!mapfile) {
    - pr_info("%s: No CPU->JSON mapping?\n", prog);
    - empty_map = 1;
    - goto err_close_eventsfp;
    - }
    -
    - rc = process_mapfile(eventsfp, mapfile);
    - if (rc) {
    - pr_info("%s: Error processing mapfile %s\n", prog, mapfile);
    - /* Make build fail */
    - ret = 1;
    - goto err_close_eventsfp;
    - }
    -
    - rc = process_system_event_tables(eventsfp);
    - fclose(eventsfp);
    - if (rc) {
    - ret = 1;
    - goto err_out;
    - }
    -
    - free_arch_std_events();
    - free_sys_event_tables();
    - free(mapfile);
    - return 0;
    -
    -err_processing_std_arch_event_dir:
    - err_string_ext = " for std arch event";
    -err_processing_dir:
    - if (verbose) {
    - pr_info("%s: Error walking file tree %s%s\n", prog, ldirname,
    - err_string_ext);
    - empty_map = 1;
    - } else if (rc < 0) {
    - ret = 1;
    - } else {
    - empty_map = 1;
    - }
    -err_close_eventsfp:
    - fclose(eventsfp);
    - if (empty_map)
    - create_empty_mapping(output_file);
    -err_out:
    - free_arch_std_events();
    - free_sys_event_tables();
    - free(mapfile);
    - return ret;
    -}
    diff --git a/tools/perf/pmu-events/jsmn.h b/tools/perf/pmu-events/jsmn.h
    deleted file mode 100644
    index 1bdfd55fff30..000000000000
    --- a/tools/perf/pmu-events/jsmn.h
    +++ /dev/null
    @@ -1,68 +0,0 @@
    -/* SPDX-License-Identifier: MIT */
    -#ifndef __JSMN_H_
    -#define __JSMN_H_
    -
    -/*
    - * JSON type identifier. Basic types are:
    - * o Object
    - * o Array
    - * o String
    - * o Other primitive: number, boolean (true/false) or null
    - */
    -typedef enum {
    - JSMN_PRIMITIVE = 0,
    - JSMN_OBJECT = 1,
    - JSMN_ARRAY = 2,
    - JSMN_STRING = 3
    -} jsmntype_t;
    -
    -typedef enum {
    - /* Not enough tokens were provided */
    - JSMN_ERROR_NOMEM = -1,
    - /* Invalid character inside JSON string */
    - JSMN_ERROR_INVAL = -2,
    - /* The string is not a full JSON packet, more bytes expected */
    - JSMN_ERROR_PART = -3,
    - /* Everything was fine */
    - JSMN_SUCCESS = 0
    -} jsmnerr_t;
    -
    -/*
    - * JSON token description.
    - * @param type type (object, array, string etc.)
    - * @param start start position in JSON data string
    - * @param end end position in JSON data string
    - */
    -typedef struct {
    - jsmntype_t type;
    - int start;
    - int end;
    - int size;
    -} jsmntok_t;
    -
    -/*
    - * JSON parser. Contains an array of token blocks available. Also stores
    - * the string being parsed now and current position in that string
    - */
    -typedef struct {
    - unsigned int pos; /* offset in the JSON string */
    - int toknext; /* next token to allocate */
    - int toksuper; /* superior token node, e.g parent object or array */
    -} jsmn_parser;
    -
    -/*
    - * Create JSON parser over an array of tokens
    - */
    -void jsmn_init(jsmn_parser *parser);
    -
    -/*
    - * Run JSON parser. It parses a JSON data string into and array of tokens,
    - * each describing a single JSON object.
    - */
    -jsmnerr_t jsmn_parse(jsmn_parser *parser, const char *js,
    - size_t len,
    - jsmntok_t *tokens, unsigned int num_tokens);
    -
    -const char *jsmn_strerror(jsmnerr_t err);
    -
    -#endif /* __JSMN_H_ */
    diff --git a/tools/perf/pmu-events/json.c b/tools/perf/pmu-events/json.c
    deleted file mode 100644
    index 0544398d6e2d..000000000000
    --- a/tools/perf/pmu-events/json.c
    +++ /dev/null
    @@ -1,162 +0,0 @@
    -/* Parse JSON files using the JSMN parser. */
    -
    -/*
    - * Copyright (c) 2014, Intel Corporation
    - * All rights reserved.
    - *
    - * Redistribution and use in source and binary forms, with or without
    - * modification, are permitted provided that the following conditions are met:
    - *
    - * 1. Redistributions of source code must retain the above copyright notice,
    - * this list of conditions and the following disclaimer.
    - *
    - * 2. Redistributions in binary form must reproduce the above copyright
    - * notice, this list of conditions and the following disclaimer in the
    - * documentation and/or other materials provided with the distribution.
    - *
    - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
    - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
    - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
    - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
    - * OF THE POSSIBILITY OF SUCH DAMAGE.
    -*/
    -
    -#include <stdlib.h>
    -#include <string.h>
    -#include <sys/mman.h>
    -#include <sys/stat.h>
    -#include <fcntl.h>
    -#include <stdio.h>
    -#include <errno.h>
    -#include <unistd.h>
    -#include "jsmn.h"
    -#include "json.h"
    -#include <linux/kernel.h>
    -
    -
    -static char *mapfile(const char *fn, size_t *size)
    -{
    - unsigned ps = sysconf(_SC_PAGESIZE);
    - struct stat st;
    - char *map = NULL;
    - int err;
    - int fd = open(fn, O_RDONLY);
    -
    - if (fd < 0 && verbose > 0 && fn) {
    - pr_err("Error opening events file '%s': %s\n", fn,
    - strerror(errno));
    - }
    -
    - if (fd < 0)
    - return NULL;
    - err = fstat(fd, &st);
    - if (err < 0)
    - goto out;
    - *size = st.st_size;
    - map = mmap(NULL,
    - (st.st_size + ps - 1) & ~(ps - 1),
    - PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
    - if (map == MAP_FAILED)
    - map = NULL;
    -out:
    - close(fd);
    - return map;
    -}
    -
    -static void unmapfile(char *map, size_t size)
    -{
    - unsigned ps = sysconf(_SC_PAGESIZE);
    - munmap(map, roundup(size, ps));
    -}
    -
    -/*
    - * Parse json file using jsmn. Return array of tokens,
    - * and mapped file. Caller needs to free array.
    - */
    -jsmntok_t *parse_json(const char *fn, char **map, size_t *size, int *len)
    -{
    - jsmn_parser parser;
    - jsmntok_t *tokens;
    - jsmnerr_t res;
    - unsigned sz;
    -
    - *map = mapfile(fn, size);
    - if (!*map)
    - return NULL;
    - /* Heuristic */
    - sz = *size * 16;
    - tokens = malloc(sz);
    - if (!tokens)
    - goto error;
    - jsmn_init(&parser);
    - res = jsmn_parse(&parser, *map, *size, tokens,
    - sz / sizeof(jsmntok_t));
    - if (res != JSMN_SUCCESS) {
    - pr_err("%s: json error %s\n", fn, jsmn_strerror(res));
    - goto error_free;
    - }
    - if (len)
    - *len = parser.toknext;
    - return tokens;
    -error_free:
    - free(tokens);
    -error:
    - unmapfile(*map, *size);
    - return NULL;
    -}
    -
    -void free_json(char *map, size_t size, jsmntok_t *tokens)
    -{
    - free(tokens);
    - unmapfile(map, size);
    -}
    -
    -static int countchar(char *map, char c, int end)
    -{
    - int i;
    - int count = 0;
    - for (i = 0; i < end; i++)
    - if (map[i] == c)
    - count++;
    - return count;
    -}
    -
    -/* Return line number of a jsmn token */
    -int json_line(char *map, jsmntok_t *t)
    -{
    - return countchar(map, '\n', t->start) + 1;
    -}
    -
    -static const char * const jsmn_types[] = {
    - [JSMN_PRIMITIVE] = "primitive",
    - [JSMN_ARRAY] = "array",
    - [JSMN_OBJECT] = "object",
    - [JSMN_STRING] = "string"
    -};
    -
    -#define LOOKUP(a, i) ((i) < (sizeof(a)/sizeof(*(a))) ? ((a)[i]) : "?")
    -
    -/* Return type name of a jsmn token */
    -const char *json_name(jsmntok_t *t)
    -{
    - return LOOKUP(jsmn_types, t->type);
    -}
    -
    -int json_len(jsmntok_t *t)
    -{
    - return t->end - t->start;
    -}
    -
    -/* Is string t equal to s? */
    -int json_streq(char *map, jsmntok_t *t, const char *s)
    -{
    - unsigned len = json_len(t);
    - return len == strlen(s) && !strncasecmp(map + t->start, s, len);
    -}
    diff --git a/tools/perf/pmu-events/json.h b/tools/perf/pmu-events/json.h
    deleted file mode 100644
    index fbcd5a0590ad..000000000000
    --- a/tools/perf/pmu-events/json.h
    +++ /dev/null
    @@ -1,39 +0,0 @@
    -/* SPDX-License-Identifier: GPL-2.0 */
    -#ifndef JSON_H
    -#define JSON_H 1
    -
    -#include "jsmn.h"
    -
    -jsmntok_t *parse_json(const char *fn, char **map, size_t *size, int *len);
    -void free_json(char *map, size_t size, jsmntok_t *tokens);
    -int json_line(char *map, jsmntok_t *t);
    -const char *json_name(jsmntok_t *t);
    -int json_streq(char *map, jsmntok_t *t, const char *s);
    -int json_len(jsmntok_t *t);
    -
    -extern int verbose;
    -
    -#include <stdbool.h>
    -
    -extern int eprintf(int level, int var, const char *fmt, ...);
    -#define pr_fmt(fmt) fmt
    -
    -#define pr_err(fmt, ...) \
    - eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
    -
    -#define pr_info(fmt, ...) \
    - eprintf(1, verbose, pr_fmt(fmt), ##__VA_ARGS__)
    -
    -#define pr_debug(fmt, ...) \
    - eprintf(2, verbose, pr_fmt(fmt), ##__VA_ARGS__)
    -
    -#ifndef roundup
    -#define roundup(x, y) ( \
    -{ \
    - const typeof(y) __y = y; \
    - (((x) + (__y - 1)) / __y) * __y; \
    -} \
    -)
    -#endif
    -
    -#endif
    --
    2.36.1.476.g0c4daa206d-goog
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