diff options
Diffstat (limited to 'tools/perf/builtin-sched.c')
| -rw-r--r-- | tools/perf/builtin-sched.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 829468defa07..a49a032f5b15 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1876,7 +1876,8 @@ static void timehist_print_sample(struct perf_sched *sched, sample__fprintf_sym(sample, al, 0, EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE | - EVSEL__PRINT_CALLCHAIN_ARROW, + EVSEL__PRINT_CALLCHAIN_ARROW | + EVSEL__PRINT_SKIP_IGNORED, &callchain_cursor, stdout); out: @@ -1959,13 +1960,34 @@ static bool is_idle_sample(struct perf_sched *sched, return false; if (thread__resolve_callchain(thread, cursor, evsel, sample, - NULL, NULL, sched->max_stack) != 0) { + NULL, NULL, sched->max_stack + 2) != 0) { if (verbose) error("Failed to resolve callchain. Skipping\n"); return false; } + callchain_cursor_commit(cursor); + + while (true) { + struct callchain_cursor_node *node; + struct symbol *sym; + + node = callchain_cursor_current(cursor); + if (node == NULL) + break; + + sym = node->sym; + if (sym && sym->name) { + if (!strcmp(sym->name, "schedule") || + !strcmp(sym->name, "__schedule") || + !strcmp(sym->name, "preempt_schedule")) + sym->ignore = 1; + } + + callchain_cursor_advance(cursor); + } + return false; } |