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perf report: Change default callchain parameters

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The default callchain parameters are set to use the flat mode and never
filter any overhead threshold of backtrace.

But flat mode is boring compared to graph mode.
Also the number of callchains may be very high if none is
filtered.

Let's change this to set the graph view and a minimum overhead of 0.5%
as default parameters.

Reported-by: Ingo Molnar <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Anton Blanchard <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Frederic Weisbecker 2009-07-05 07:39:19 +02:00 • committed by Ingo Molnar
commit 94a8eb028a
1 changed files with 2 additions and 2 deletions
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4
tools/perf/builtin-report.c
View file

@ -59,10 +59,10 @@ static regex_t parent_regex;
static int exclude_other = 1;
static char callchain_default_opt[] = "flat,0";
static char callchain_default_opt[] = "graph,0.5";
static int callchain;
static enum chain_mode callchain_mode;
static double callchain_min_percent = 0.0;
static double callchain_min_percent = 0.5;
static u64 sample_type;