Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 01/68] perf list: Add support for listing only json events | Date | Tue, 11 Oct 2016 14:30:56 -0300 |
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From: Andi Kleen <ak@linux.intel.com>
Add an argument to only list json events. To be used for the command line completion script. This requires adding a new flag to the alias structure.
Committer notes:
Using it:
$ perf list json
Cache: l1d.replacement [L1D data line replacements] l1d_pend_miss.fb_full [Cycles a demand request was blocked due to Fill Buffers inavailability] l1d_pend_miss.pending [L1D miss oustandings duration in cycles] l1d_pend_miss.pending_cycles [Cycles with L1D load Misses outstanding] <SNIP> page_walker_loads.itlb_l1 [Number of ITLB page walker hits in the L1+FB] page_walker_loads.itlb_l2 [Number of ITLB page walker hits in the L2] page_walker_loads.itlb_l3 [Number of ITLB page walker hits in the L3 + XSNP] tlb_flush.dtlb_thread [DTLB flush attempts of the thread-specific entries] tlb_flush.stlb_any [STLB flush attempts] $
Signed-off-by: Andi Kleen <ak@linux.intel.com> Suggested-and-Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/1475781807-6034-1-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/Documentation/perf-list.txt | 2 +- tools/perf/builtin-list.c | 9 ++++++--- tools/perf/util/parse-events.c | 2 +- tools/perf/util/pmu.c | 14 ++++++++++---- tools/perf/util/pmu.h | 3 ++- 5 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt index 41857cce5e86..50a35b27a64d 100644 --- a/tools/perf/Documentation/perf-list.txt +++ b/tools/perf/Documentation/perf-list.txt @@ -8,7 +8,7 @@ perf-list - List all symbolic event types SYNOPSIS -------- [verse] -'perf list' [--no-desc] [--long-desc] [hw|sw|cache|tracepoint|pmu|event_glob] +'perf list' [--no-desc] [--long-desc] [hw|sw|cache|tracepoint|pmu|json|sdt|event_glob] DESCRIPTION ----------- diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index ba9322ff858b..b9ccdc7ec733 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -32,7 +32,7 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) OPT_END() }; const char * const list_usage[] = { - "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]", + "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|json|event_glob]", NULL }; @@ -69,9 +69,12 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) print_hwcache_events(NULL, raw_dump); else if (strcmp(argv[i], "pmu") == 0) print_pmu_events(NULL, raw_dump, !desc_flag, - long_desc_flag); + long_desc_flag, false); else if (strcmp(argv[i], "sdt") == 0) print_sdt_events(NULL, NULL, raw_dump); + else if (strcmp(argv[i], "json") == 0) + print_pmu_events(NULL, raw_dump, !desc_flag, + long_desc_flag, true); else if ((sep = strchr(argv[i], ':')) != NULL) { int sep_idx; @@ -100,7 +103,7 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump); print_hwcache_events(s, raw_dump); print_pmu_events(s, raw_dump, !desc_flag, - long_desc_flag); + long_desc_flag, false); print_tracepoint_events(NULL, s, raw_dump); print_sdt_events(NULL, s, raw_dump); free(s); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 4e778eae1510..948ef84e4c6a 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2275,7 +2275,7 @@ void print_events(const char *event_glob, bool name_only, bool quiet_flag, print_hwcache_events(event_glob, name_only); - print_pmu_events(event_glob, name_only, quiet_flag, long_desc); + print_pmu_events(event_glob, name_only, quiet_flag, long_desc, false); if (event_glob != NULL) return; diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index b1474dcadfa2..d8d7d4c0319c 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -224,7 +224,7 @@ static int perf_pmu__parse_snapshot(struct perf_pmu_alias *alias, static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name, char *desc, char *val, char *long_desc, - char *topic) + char *topic, bool json) { struct perf_pmu_alias *alias; int ret; @@ -238,6 +238,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name, alias->unit[0] = '\0'; alias->per_pkg = false; alias->snapshot = false; + alias->json = json; ret = parse_events_terms(&alias->terms, val); if (ret) { @@ -278,7 +279,7 @@ static int perf_pmu__new_alias(struct list_head *list, char *dir, char *name, FI buf[ret] = 0; - return __perf_pmu__new_alias(list, dir, name, NULL, buf, NULL, NULL); + return __perf_pmu__new_alias(list, dir, name, NULL, buf, NULL, NULL, false); } static inline bool pmu_alias_info_file(char *name) @@ -537,7 +538,8 @@ static void pmu_add_cpu_aliases(struct list_head *head) /* need type casts to override 'const' */ __perf_pmu__new_alias(head, NULL, (char *)pe->name, (char *)pe->desc, (char *)pe->event, - (char *)pe->long_desc, (char *)pe->topic); + (char *)pe->long_desc, (char *)pe->topic, + true); } out: @@ -1103,7 +1105,7 @@ static void wordwrap(char *s, int start, int max, int corr) } void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, - bool long_desc) + bool long_desc, bool json_only) { struct perf_pmu *pmu; struct perf_pmu_alias *alias; @@ -1134,6 +1136,9 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, format_alias(buf, sizeof(buf), pmu, alias); bool is_cpu = !strcmp(pmu->name, "cpu"); + if (json_only && !alias->json) + continue; + if (event_glob != NULL && !(strglobmatch(name, event_glob) || (!is_cpu && strglobmatch(alias->name, @@ -1158,6 +1163,7 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, j++; } if (pmu->selectable && + !json_only && (event_glob == NULL || strglobmatch(pmu->name, event_glob))) { char *s; if (asprintf(&s, "%s//", pmu->name) < 0) diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 25712034c815..19fa2e19dbe9 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -49,6 +49,7 @@ struct perf_pmu_alias { double scale; bool per_pkg; bool snapshot; + bool json; }; struct perf_pmu *perf_pmu__find(const char *name); @@ -75,7 +76,7 @@ int perf_pmu__format_parse(char *dir, struct list_head *head); struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); void print_pmu_events(const char *event_glob, bool name_only, bool quiet, - bool long_desc); + bool long_desc, bool json_only); bool pmu_have_event(const char *pname, const char *name); int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, -- 2.7.4
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