diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 18 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 16 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 5 | ||||
| -rw-r--r-- | tools/perf/util/hist.c | 13 | ||||
| -rw-r--r-- | tools/perf/util/hist.h | 5 |
5 files changed, 37 insertions, 20 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 976b00c..64ed79c 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -123,13 +123,16 @@ Default is to monitor all CPUS. Show a column with the sum of periods. --dsos:: - Only consider symbols in these dsos. + Only consider symbols in these dsos. This option will affect the + percentage of the overhead column. See --percentage for more info. --comms:: - Only consider symbols in these comms. + Only consider symbols in these comms. This option will affect the + percentage of the overhead column. See --percentage for more info. --symbols:: - Only consider these symbols. + Only consider these symbols. This option will affect the + percentage of the overhead column. See --percentage for more info. -M:: --disassembler-style=:: Set disassembler style for objdump. @@ -165,6 +168,15 @@ Default is to monitor all CPUS. Do not show entries which have an overhead under that percent. (Default: 0). +--percentage:: + Determine how to display the overhead percentage of filtered entries. + Filters can be applied by --comms, --dsos and/or --symbols options and + Zoom operations on the TUI (thread, dso, etc). + + "relative" means it's relative to filtered entries only so that the + sum of shown entries will be always 100%. "absolute" means it retains + the original value before and after the filter is applied. + INTERACTIVE PROMPTING KEYS -------------------------- diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 7ec351b..af8cb7a 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -717,20 +717,6 @@ parse_percent_limit(const struct option *opt, const char *str, return 0; } -static int -parse_percentage(const struct option *opt __maybe_unused, const char *str, - int unset __maybe_unused) -{ - if (!strcmp(str, "relative")) - symbol_conf.filter_relative = true; - else if (!strcmp(str, "absolute")) - symbol_conf.filter_relative = false; - else - return -1; - - return 0; -} - int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) { struct perf_session *session; @@ -854,7 +840,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_CALLBACK(0, "percent-limit", &report, "percent", "Don't show entries under that percent", parse_percent_limit), OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", - "how to display percentage of filtered entries", parse_percentage), + "how to display percentage of filtered entries", parse_filter_percentage), OPT_END() }; struct perf_data_file file = { diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 2526901..37d3046 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -697,8 +697,7 @@ static void perf_event__process_sample(struct perf_tool *tool, if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) top->exact_samples++; - if (perf_event__preprocess_sample(event, machine, &al, sample) < 0 || - al.filtered) + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) return; if (!top->kptr_restrict_warned && @@ -1119,6 +1118,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"), OPT_CALLBACK(0, "percent-limit", &top, "percent", "Don't show entries under that percent", parse_percent_limit), + OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", + "How to display percentage of filtered entries", parse_filter_percentage), OPT_END() }; const char * const top_usage[] = { diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 3ebd89a..3c2dd23 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -943,3 +943,16 @@ u64 hists__total_period(struct hists *hists) return symbol_conf.filter_relative ? hists->stats.total_non_filtered_period : hists->stats.total_period; } + +int parse_filter_percentage(const struct option *opt __maybe_unused, + const char *arg, int unset __maybe_unused) +{ + if (!strcmp(arg, "relative")) + symbol_conf.filter_relative = true; + else if (!strcmp(arg, "absolute")) + symbol_conf.filter_relative = false; + else + return -1; + + return 0; +} diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 3191496..a4ec336 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -254,4 +254,9 @@ static inline int script_browse(const char *script_opt __maybe_unused) #endif unsigned int hists__sort_list_width(struct hists *hists); + +struct option; +int parse_filter_percentage(const struct option *opt __maybe_unused, + const char *arg, int unset __maybe_unused); + #endif /* __PERF_HIST_H */ |