diff options
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 17 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 10 |
2 files changed, 27 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 987261d158d4..7315f155803f 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -438,6 +438,23 @@ OPTIONS perf report --time 0%-10%,30%-40% +--switch-on EVENT_NAME:: + Only consider events after this event is found. + + This may be interesting to measure a workload only after some initialization + phase is over, i.e. insert a perf probe at that point and then using this + option with that probe. + +--switch-off EVENT_NAME:: + Stop considering events after this event is found. + +--show-on-off-events:: + Show the --switch-on/off events too. This has no effect in 'perf report' now + but probably we'll make the default not to show the switch-on/off events + on the --group mode and if there is only one event besides the off/on ones, + go straight to the histogram browser, just like 'perf report' with no events + explicitely specified does. + --itrace:: Options for decoding instruction tracing data. The options are: diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index d4288dcce156..5e003d02821e 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -25,6 +25,7 @@ #include "util/debug.h" #include "util/evlist.h" #include "util/evsel.h" +#include "util/evswitch.h" #include "util/header.h" #include "util/session.h" #include "util/tool.h" @@ -60,6 +61,7 @@ struct report { struct perf_tool tool; struct perf_session *session; + struct evswitch evswitch; bool use_tui, use_gtk, use_stdio; bool show_full_info; bool show_threads; @@ -243,6 +245,9 @@ static int process_sample_event(struct perf_tool *tool, return 0; } + if (evswitch__discard(&rep->evswitch, evsel)) + return 0; + if (machine__resolve(machine, &al, sample) < 0) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); @@ -1189,6 +1194,7 @@ int cmd_report(int argc, const char **argv) OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", "Set time quantum for time sort key (default 100ms)", parse_time_quantum), + OPTS_EVSWITCH(&report.evswitch), OPT_END() }; struct perf_data data = { @@ -1257,6 +1263,10 @@ repeat: if (session == NULL) return -1; + ret = evswitch__init(&report.evswitch, session->evlist, stderr); + if (ret) + return ret; + if (zstd_init(&(session->zstd_data), 0) < 0) pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); |