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Date: Mon, 10 Mar 2014 16:43:56 +0900 From: Namhyung Kim <namhyung@...nel.org> To: Arnaldo Carvalho de Melo <acme@...stprotocols.net> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>, Ingo Molnar <mingo@...nel.org>, Paul Mackerras <paulus@...ba.org>, Namhyung Kim <namhyung.kim@....com>, Namhyung Kim <namhyung@...nel.org>, LKML <linux-kernel@...r.kernel.org>, Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>, Andi Kleen <andi@...stfloor.org> Subject: [PATCH 5/9] perf top: Add --percentage option The --percentage option is for controlling overhead percentage displayed. It can only receive either of "relative" or "absolute". Move the parser callback function into a common location since it's used by multiple commands now. For more information, please see previous commit same thing done to "perf report". Acked-by: Jiri Olsa <jolsa@...hat.com> Signed-off-by: Namhyung Kim <namhyung@...nel.org> --- tools/perf/Documentation/perf-top.txt | 18 +++++++++++++++--- tools/perf/builtin-report.c | 16 +--------------- tools/perf/builtin-top.c | 2 ++ tools/perf/util/hist.c | 13 +++++++++++++ tools/perf/util/hist.h | 5 +++++ 5 files changed, 36 insertions(+), 18 deletions(-) diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index cdd8d4946dba..0acf54f203f0 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -124,13 +124,16 @@ 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. @@ -166,6 +169,15 @@ 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 b8eb8c6431aa..8fa36182d87c 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -709,20 +709,6 @@ 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; @@ -846,7 +832,7 @@ 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 ed99ec4a309f..18a2467bdf00 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1114,6 +1114,8 @@ 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 71078de683fe..6e7eb53d4bcc 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 3191496bd3b7..a4ec336ae3fe 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 */ -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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