6f8d67fa0c
Add -g flag to `perf timechart record` which saves callchain info in the perf.data. When generating SVG, add backtrace information to the figure details, so now it's possible to see which code path woke up the task and why some task went to sleep. Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1383323151-19810-8-git-send-email-stfomichev@yandex-team.ru Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
29 lines
1.2 KiB
C
29 lines
1.2 KiB
C
#ifndef __PERF_SVGHELPER_H
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#define __PERF_SVGHELPER_H
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#include "types.h"
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extern void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end);
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extern void svg_box(int Yslot, u64 start, u64 end, const char *type);
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extern void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
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extern void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
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extern void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
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extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency);
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extern void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name);
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extern void svg_cstate(int cpu, u64 start, u64 end, int type);
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extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq);
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extern void svg_time_grid(void);
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extern void svg_legenda(void);
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extern void svg_wakeline(u64 start, int row1, int row2, const char *backtrace);
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extern void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace);
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extern void svg_interrupt(u64 start, int row, const char *backtrace);
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extern void svg_text(int Yslot, u64 start, const char *text);
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extern void svg_close(void);
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extern int svg_page_width;
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#endif /* __PERF_SVGHELPER_H */
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