diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 367c1be0551cbd57141265c92fed2f43e688ba66..bc5990c33dc0dd3b0e81d3fcd0a9a80c2e1a6ce6 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -56,12 +56,25 @@ $ perf timechart Written 10.2 seconds of trace to output.svg. +Record system-wide timechart: + + $ perf timechart record + + then generate timechart and highlight 'gcc' tasks: + + $ perf timechart --highlight gcc + -n:: --proc-num:: Print task info for at least given number of tasks. -t:: --topology:: Sort CPUs according to topology. +--highlight=:: + Highlight tasks (using different color) that run more than given + duration or tasks with given name. If number is given it's interpreted + as number of nanoseconds. If non-numeric string is given it's + interpreted as task name. RECORD OPTIONS -------------- diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 8bde57c5c9088b65f4dcc3ea1e3b1e0c5c8e32df..20d4212fa33773ec88f150d027781374a0f50713 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -841,7 +841,6 @@ static void draw_cpu_usage(struct timechart *tchart) sample->start_time, sample->end_time, p->pid, - "sample", c->comm, sample->backtrace); } @@ -1252,6 +1251,23 @@ parse_process(const struct option *opt __maybe_unused, const char *arg, return 0; } +static int +parse_highlight(const struct option *opt __maybe_unused, const char *arg, + int __maybe_unused unset) +{ + unsigned long duration = strtoul(arg, NULL, 0); + + if (svg_highlight || svg_highlight_name) + return -1; + + if (duration) + svg_highlight = duration; + else + svg_highlight_name = strdup(arg); + + return 0; +} + int cmd_timechart(int argc, const char **argv, const char *prefix __maybe_unused) { @@ -1270,6 +1286,9 @@ int cmd_timechart(int argc, const char **argv, OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_STRING('o', "output", &output_name, "file", "output file name"), OPT_INTEGER('w', "width", &svg_page_width, "page width"), + OPT_CALLBACK(0, "highlight", NULL, "duration or task name", + "highlight tasks. Pass duration in ns or process name.", + parse_highlight), OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"), OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, "output processes data only"), diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c index 9468136735ca93625964a3b60cdbb31910c7e21d..56a84f2cc46d520f2ae68954c8b1d69bef697cc7 100644 --- a/tools/perf/util/svghelper.c +++ b/tools/perf/util/svghelper.c @@ -31,6 +31,8 @@ static u64 turbo_frequency, max_freq; #define SLOT_HEIGHT 25.0 int svg_page_width = 1000; +u64 svg_highlight; +const char *svg_highlight_name; #define MIN_TEXT_SIZE 0.01 @@ -112,6 +114,7 @@ void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); + fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); @@ -155,17 +158,24 @@ void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) { double text_size; + const char *type; + if (!svgfile) return; + if (svg_highlight && end - start > svg_highlight) + type = "sample_hi"; + else + type = "sample"; fprintf(svgfile, "\n"); fprintf(svgfile, "#%d running %s\n", cpu, time_to_string(end - start)); if (backtrace) fprintf(svgfile, "Switched because:\n%s\n", backtrace); - fprintf(svgfile, "\n", - time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT); + fprintf(svgfile, "\n", + time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, + type); text_size = (time2pixels(end)-time2pixels(start)); if (cpu > 9) @@ -293,13 +303,20 @@ void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) fprintf(svgfile, "\n"); } -void svg_process(int cpu, u64 start, u64 end, int pid, const char *type, const char *name, const char *backtrace) +void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace) { double width; + const char *type; if (!svgfile) return; + if (svg_highlight && end - start >= svg_highlight) + type = "sample_hi"; + else if (svg_highlight_name && strstr(name, svg_highlight_name)) + type = "sample_hi"; + else + type = "sample"; fprintf(svgfile, "\n", time2pixels(start), cpu2y(cpu)); fprintf(svgfile, "%d %s running %s\n", pid, name, time_to_string(end - start)); diff --git a/tools/perf/util/svghelper.h b/tools/perf/util/svghelper.h index 1df4fb6c3a4a1e42bdf27a8fb1214b160ed257ef..f7b4d6e699ea8d987dd461c108038b713bc6b958 100644 --- a/tools/perf/util/svghelper.h +++ b/tools/perf/util/svghelper.h @@ -11,7 +11,7 @@ extern void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *back extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency); -extern void svg_process(int cpu, u64 start, u64 end, int pid, const char *type, const char *name, const char *backtrace); +extern void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace); extern void svg_cstate(int cpu, u64 start, u64 end, int type); extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq); @@ -27,5 +27,7 @@ extern int svg_build_topology_map(char *sib_core, int sib_core_nr, char *sib_thr, int sib_thr_nr); extern int svg_page_width; +extern u64 svg_highlight; +extern const char *svg_highlight_name; #endif /* __PERF_SVGHELPER_H */