diff options
author | Arjan van de Ven <arjan@linux.intel.com> | 2009-09-20 20:13:28 +0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-09-20 21:37:34 +0400 |
commit | 4f1202c8e61478984ed2d0df616149faf84c2a7f (patch) | |
tree | 540fb2e48d8b55bda2db75a61085908401453ac0 /tools/perf | |
parent | cdf8073d6b2c6c5a3cd6ce0e6c1297157f7f99ba (diff) | |
download | linux-4f1202c8e61478984ed2d0df616149faf84c2a7f.tar.xz |
perf timechart: Show the name of the waker/wakee in timechart
Timechart currently shows thin green lines for sending or receiving
wakeups. This patch also prints (in a very small font) the name of
the process that is being woken/wakes up this process.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20090920181328.68baa978@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/builtin-timechart.c | 11 | ||||
-rw-r--r-- | tools/perf/util/svghelper.c | 28 | ||||
-rw-r--r-- | tools/perf/util/svghelper.h | 2 |
3 files changed, 30 insertions, 11 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 58d737ec8f5e..3f45b8b24e3d 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -752,6 +752,7 @@ static void draw_wakeups(void) we = wake_events; while (we) { int from = 0, to = 0; + char *task_from = NULL, *task_to = NULL; /* locate the column of the waker and wakee */ p = all_data; @@ -760,10 +761,14 @@ static void draw_wakeups(void) c = p->all; while (c) { if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { - if (p->pid == we->waker) + if (p->pid == we->waker) { from = c->Y; - if (p->pid == we->wakee) + task_from = c->comm; + } + if (p->pid == we->wakee) { to = c->Y; + task_to = c->comm; + } } c = c->next; } @@ -776,7 +781,7 @@ static void draw_wakeups(void) else if (from && to && abs(from - to) == 1) svg_wakeline(we->time, from, to); else - svg_partial_wakeline(we->time, from, to); + svg_partial_wakeline(we->time, from, task_from, to, task_to); we = we->next; } } diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c index b0fcecdf378d..9f70fa8e7643 100644 --- a/tools/perf/util/svghelper.c +++ b/tools/perf/util/svghelper.c @@ -242,7 +242,7 @@ void svg_pstate(int cpu, u64 start, u64 end, u64 freq) } -void svg_partial_wakeline(u64 start, int row1, int row2) +void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2) { double height; @@ -251,21 +251,35 @@ void svg_partial_wakeline(u64 start, int row1, int row2) if (row1 < row2) { - if (row1) + if (row1) { fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); - - if (row2) + if (desc2) + fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s ></text>\n", + time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2); + } + if (row2) { fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT); + if (desc1) + fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s ></text>\n", + time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1); + } } else { - if (row2) + if (row2) { fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32); - - if (row1) + if (desc1) + fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s <</text>\n", + time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1); + } + if (row1) { fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT); + if (desc2) + fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s <</text>\n", + time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2); + } } height = row1 * SLOT_MULT; if (row2 > row1) diff --git a/tools/perf/util/svghelper.h b/tools/perf/util/svghelper.h index ad79b5dc53de..8260a7e6e314 100644 --- a/tools/perf/util/svghelper.h +++ b/tools/perf/util/svghelper.h @@ -17,7 +17,7 @@ extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq); extern void svg_time_grid(u64 start, u64 end); extern void svg_legenda(void); extern void svg_wakeline(u64 start, int row1, int row2); -extern void svg_partial_wakeline(u64 start, int row1, int row2); +extern void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2); extern void svg_interrupt(u64 start, int row); extern void svg_text(int Yslot, u64 start, const char *text); extern void svg_close(void); |