From ef4a356574426877d569f8b6579325537eb7909b Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Wed, 21 Apr 2010 15:56:40 -0400 Subject: perf probe: Add --max-probes option Add --max-probes option to change the maximum limit of findable probe points per event, since inlined function can be expanded into thousands of probe points. Default value is 128. Signed-off-by: Masami Hiramatsu Suggested-by: Arnaldo Carvalho de Melo Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Frederic Weisbecker Cc: Ingo Molnar LKML-Reference: <20100421195640.24664.62984.stgit@localhost6.localdomain6> Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/probe-finder.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'tools/perf/util/probe-finder.h') diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index 310ce897229c..66f1980e3855 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -18,7 +18,8 @@ static inline int is_c_varname(const char *name) #ifdef DWARF_SUPPORT /* Find kprobe_trace_events specified by perf_probe_event from debuginfo */ extern int find_kprobe_trace_events(int fd, struct perf_probe_event *pev, - struct kprobe_trace_event **tevs); + struct kprobe_trace_event **tevs, + int max_tevs); /* Find a perf_probe_point from debuginfo */ extern int find_perf_probe_point(int fd, unsigned long addr, @@ -32,7 +33,8 @@ extern int find_line_range(int fd, struct line_range *lr); struct probe_finder { struct perf_probe_event *pev; /* Target probe event */ struct kprobe_trace_event *tevs; /* Result trace events */ - int ntevs; /* number of trace events */ + int ntevs; /* Number of trace events */ + int max_tevs; /* Max number of trace events */ /* For function searching */ int lno; /* Line number */ -- cgit v1.2.3