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authorStephane Eranian <eranian@google.com>2014-09-24 15:48:41 +0400
committerIngo Molnar <mingo@kernel.org>2014-11-16 13:42:02 +0300
commit4b6c51773d86883a2e80cffadbe4f178ac1babd8 (patch)
treeab792ed88d2eb5569cc6e82f8df7466e8d860d60 /tools/perf/builtin-record.c
parent26ff0f0af79d0a9fc1f783d45e470059b840c7c1 (diff)
downloadlinux-4b6c51773d86883a2e80cffadbe4f178ac1babd8.tar.xz
perf record: Add new -I option to sample interrupted machine state
Add -I/--intr-regs option to capture machine state registers at interrupt. Add the corresponding man page description Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: http://lkml.kernel.org/r/1411559322-16548-6-git-send-email-eranian@google.com Cc: cebbert.lkml@gmail.com Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 582c4da155ea..8648c6d3003d 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -811,6 +811,8 @@ struct option __record_options[] = {
"sample transaction flags (special events only)"),
OPT_BOOLEAN(0, "per-thread", &record.opts.target.per_thread,
"use per-thread mmaps"),
+ OPT_BOOLEAN('I', "intr-regs", &record.opts.sample_intr_regs,
+ "Sample machine registers on interrupt"),
OPT_END()
};