diff options
Diffstat (limited to 'tools/perf/util/metricgroup.c')
| -rw-r--r-- | tools/perf/util/metricgroup.c | 102 |
1 files changed, 94 insertions, 8 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index d948a7f910cf..060454a17293 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -15,7 +15,6 @@ #include "rblist.h" #include <string.h> #include <errno.h> -#include "pmu-events/pmu-events.h" #include "strlist.h" #include <assert.h> #include <linux/ctype.h> @@ -25,6 +24,7 @@ #include <api/fs/fs.h> #include "util.h" #include <asm/bug.h> +#include "cgroup.h" struct metric_event *metricgroup__lookup(struct rblist *metric_events, struct evsel *evsel, @@ -163,7 +163,7 @@ static bool contains_event(struct evsel **metric_events, int num_events, } /** - * Find a group of events in perf_evlist that correpond to those from a parsed + * Find a group of events in perf_evlist that correspond to those from a parsed * metric expression. Note, as find_evsel_group is called in the same order as * perf_evlist was constructed, metric_no_merge doesn't need to test for * underfilling a group. @@ -577,10 +577,12 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter, } } - if (metricgroups && !raw) - printf("\nMetric Groups:\n\n"); - else if (metrics && !raw) - printf("\nMetrics:\n\n"); + if (!filter || !rblist__empty(&groups)) { + if (metricgroups && !raw) + printf("\nMetric Groups:\n\n"); + else if (metrics && !raw) + printf("\nMetrics:\n\n"); + } for (node = rb_first_cached(&groups.entries); node; node = next) { struct mep *me = container_of(node, struct mep, nd); @@ -676,7 +678,7 @@ static bool metricgroup__has_constraint(struct pmu_event *pe) return false; } -int __weak arch_get_runtimeparam(void) +int __weak arch_get_runtimeparam(struct pmu_event *pe __maybe_unused) { return 1; } @@ -947,7 +949,7 @@ static int add_metric(struct list_head *metric_list, } else { int j, count; - count = arch_get_runtimeparam(); + count = arch_get_runtimeparam(pe); /* This loop is added to create multiple * events depend on count value and add @@ -1156,3 +1158,87 @@ bool metricgroup__has_metric(const char *metric) } return false; } + +int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp, + struct rblist *new_metric_events, + struct rblist *old_metric_events) +{ + unsigned i; + + for (i = 0; i < rblist__nr_entries(old_metric_events); i++) { + struct rb_node *nd; + struct metric_event *old_me, *new_me; + struct metric_expr *old_expr, *new_expr; + struct evsel *evsel; + size_t alloc_size; + int idx, nr; + + nd = rblist__entry(old_metric_events, i); + old_me = container_of(nd, struct metric_event, nd); + + evsel = evlist__find_evsel(evlist, old_me->evsel->idx); + if (!evsel) + return -EINVAL; + new_me = metricgroup__lookup(new_metric_events, evsel, true); + if (!new_me) + return -ENOMEM; + + pr_debug("copying metric event for cgroup '%s': %s (idx=%d)\n", + cgrp ? cgrp->name : "root", evsel->name, evsel->idx); + + list_for_each_entry(old_expr, &old_me->head, nd) { + new_expr = malloc(sizeof(*new_expr)); + if (!new_expr) + return -ENOMEM; + + new_expr->metric_expr = old_expr->metric_expr; + new_expr->metric_name = old_expr->metric_name; + new_expr->metric_unit = old_expr->metric_unit; + new_expr->runtime = old_expr->runtime; + + if (old_expr->metric_refs) { + /* calculate number of metric_events */ + for (nr = 0; old_expr->metric_refs[nr].metric_name; nr++) + continue; + alloc_size = sizeof(*new_expr->metric_refs); + new_expr->metric_refs = calloc(nr + 1, alloc_size); + if (!new_expr->metric_refs) { + free(new_expr); + return -ENOMEM; + } + + memcpy(new_expr->metric_refs, old_expr->metric_refs, + nr * alloc_size); + } else { + new_expr->metric_refs = NULL; + } + + /* calculate number of metric_events */ + for (nr = 0; old_expr->metric_events[nr]; nr++) + continue; + alloc_size = sizeof(*new_expr->metric_events); + new_expr->metric_events = calloc(nr + 1, alloc_size); + if (!new_expr->metric_events) { + free(new_expr->metric_refs); + free(new_expr); + return -ENOMEM; + } + + /* copy evsel in the same position */ + for (idx = 0; idx < nr; idx++) { + evsel = old_expr->metric_events[idx]; + evsel = evlist__find_evsel(evlist, evsel->idx); + if (evsel == NULL) { + free(new_expr->metric_events); + free(new_expr->metric_refs); + free(new_expr); + return -EINVAL; + } + new_expr->metric_events[idx] = evsel; + } + + list_add(&new_expr->nd, &new_me->head); + } + } + return 0; +} |