Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 08/10] perf tools: Add other metrics to hash data | Date | Fri, 26 Jun 2020 21:47:18 +0200 |
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Adding other metrics to the parsing context so they can be resolved during the metric processing.
Adding expr__add_other function to store 'other' metrics into parse context.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/util/expr.c | 35 +++++++++++++++++++++++++++++++++++ tools/perf/util/expr.h | 13 ++++++++++++- tools/perf/util/stat-shadow.c | 19 +++++++++++++------ 3 files changed, 60 insertions(+), 7 deletions(-)
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index cd73dae4588c..32f7acac7c19 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -4,6 +4,8 @@ #include <errno.h> #include <stdlib.h> #include <string.h> +#include "metricgroup.h" +#include "debug.h" #include "expr.h" #include "expr-bison.h" #include "expr-flex.h" @@ -61,6 +63,7 @@ int expr__add_val(struct expr_parse_ctx *ctx, const char *name, double val) if (!data_ptr) return -ENOMEM; data_ptr->val = val; + data_ptr->is_other = false; ret = hashmap__set(&ctx->ids, name, data_ptr, (const void **)&old_key, (void **)&old_data); @@ -69,6 +72,38 @@ int expr__add_val(struct expr_parse_ctx *ctx, const char *name, double val) return ret; } +int expr__add_other(struct expr_parse_ctx *ctx, struct metric_other *other) +{ + struct expr_parse_data *data_ptr = NULL, *old_data = NULL; + char *old_key = NULL; + char *name; + int ret; + + data_ptr = malloc(sizeof(*data_ptr)); + if (!data_ptr) + return -ENOMEM; + + name = strdup(other->metric_name); + if (!name) { + free(data_ptr); + return -ENOMEM; + } + + data_ptr->other.metric_name = other->metric_name; + data_ptr->other.metric_expr = other->metric_expr; + data_ptr->is_other = true; + + ret = hashmap__set(&ctx->ids, name, data_ptr, + (const void **)&old_key, (void **)&old_data); + + pr_debug2("adding other metric %s: %s\n", + other->metric_name, other->metric_expr); + + free(old_key); + free(old_data); + return ret; +} + int expr__get_id(struct expr_parse_ctx *ctx, const char *id, struct expr_parse_data **data) { diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h index fd924bb4e5cd..ed60f9227b43 100644 --- a/tools/perf/util/expr.h +++ b/tools/perf/util/expr.h @@ -11,12 +11,22 @@ #include "util/hashmap.h" //#endif +struct metric_other; + struct expr_parse_ctx { struct hashmap ids; }; struct expr_parse_data { - double val; + bool is_other; + + union { + double val; + struct { + const char *metric_name; + const char *metric_expr; + } other; + }; }; struct expr_scanner_ctx { @@ -29,6 +39,7 @@ void expr__ctx_clear(struct expr_parse_ctx *ctx); void expr__del_id(struct expr_parse_ctx *ctx, const char *id); int expr__add_id(struct expr_parse_ctx *ctx, const char *name); int expr__add_val(struct expr_parse_ctx *ctx, const char *id, double val); +int expr__add_other(struct expr_parse_ctx *ctx, struct metric_other *other); int expr__get_id(struct expr_parse_ctx *ctx, const char *id, struct expr_parse_data **data); int expr__parse(double *final_val, struct expr_parse_ctx *ctx, diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 0a991016f848..434382410170 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -731,13 +731,14 @@ static void print_smi_cost(struct perf_stat_config *config, } static int prepare_metric(struct evsel **metric_events, + struct metric_other *metric_other, struct expr_parse_ctx *pctx, int cpu, struct runtime_stat *st) { double scale; char *n, *pn; - int i; + int i, j; expr__ctx_init(pctx); for (i = 0; metric_events[i]; i++) { @@ -778,12 +779,18 @@ static int prepare_metric(struct evsel **metric_events, expr__add_val(pctx, n, avg_stats(stats)*scale); } + for (j = 0; metric_other && metric_other[j].metric_name; j++) { + if (expr__add_other(pctx, &metric_other[j])) + return -ENOMEM; + } + return i; } static void generic_metric(struct perf_stat_config *config, const char *metric_expr, struct evsel **metric_events, + struct metric_other *metric_other, char *name, const char *metric_name, const char *metric_unit, @@ -798,7 +805,7 @@ static void generic_metric(struct perf_stat_config *config, int i; void *ctxp = out->ctx; - i = prepare_metric(metric_events, &pctx, cpu, st); + i = prepare_metric(metric_events, metric_other, &pctx, cpu, st); if (i < 0) return; @@ -847,7 +854,7 @@ double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_sta struct expr_parse_ctx pctx; double ratio; - if (prepare_metric(mexp->metric_events, &pctx, cpu, st) < 0) + if (prepare_metric(mexp->metric_events, mexp->metric_other, &pctx, cpu, st) < 0) return 0.; if (expr__parse(&ratio, &pctx, mexp->metric_expr, 1)) @@ -1064,8 +1071,8 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, else print_metric(config, ctxp, NULL, NULL, name, 0); } else if (evsel->metric_expr) { - generic_metric(config, evsel->metric_expr, evsel->metric_events, evsel->name, - evsel->metric_name, NULL, 1, cpu, out, st); + generic_metric(config, evsel->metric_expr, evsel->metric_events, NULL, + evsel->name, evsel->metric_name, NULL, 1, cpu, out, st); } else if (runtime_stat_n(st, STAT_NSECS, 0, cpu) != 0) { char unit = 'M'; char unit_buf[10]; @@ -1093,7 +1100,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (num++ > 0) out->new_line(config, ctxp); generic_metric(config, mexp->metric_expr, mexp->metric_events, - evsel->name, mexp->metric_name, + mexp->metric_other, evsel->name, mexp->metric_name, mexp->metric_unit, mexp->runtime, cpu, out, st); } } -- 2.25.4
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