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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-04-14 18:15:18 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-04-14 19:46:57 -0300
commit6125cc8dac432948a31df4d4ac20dd2d4f8c6c27 (patch)
tree2ce2dc50335fc524b1041c9ea918c21467bb7ff2 /tools/perf/builtin-script.c
parentperf tools: Remove addr_location argument to sample__fprintf_callchain (diff)
downloadlinux-dev-6125cc8dac432948a31df4d4ac20dd2d4f8c6c27.tar.xz
linux-dev-6125cc8dac432948a31df4d4ac20dd2d4f8c6c27.zip
perf script: Add --max-stack knob
Works just like with 'perf report'. In some cases we may want to have more than 127 entries, the default maximum. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-mqkz2p5ok2978gztb0vsnocc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-script.c')
-rw-r--r--tools/perf/builtin-script.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 875d84e7ba5b..0e93282b405e 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -22,6 +22,7 @@
#include "util/thread_map.h"
#include "util/stat.h"
#include <linux/bitmap.h>
+#include <linux/stringify.h>
#include "asm/bug.h"
#include "util/mem-events.h"
@@ -2027,6 +2028,10 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
"only consider symbols in these pids"),
OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
"only consider symbols in these tids"),
+ OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
+ "Set the maximum stack depth when parsing the callchain, "
+ "anything beyond the specified depth will be ignored. "
+ "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
OPT_BOOLEAN('I', "show-info", &show_full_info,
"display extended information from perf.data file"),
OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,