[PATCH 4/4] perf record: add new -I option to sample interrupted machine state

From: Stephane Eranian
Date: Tue Jul 08 2014 - 18:17:06 EST

Add -I option to capture machine state registers at interrupt.

Use perf report -D to display the sampled register values
in each sample.

Signed-off-by: Stephane Eranian <eranian@xxxxxxxxxx>
tools/perf/builtin-record.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 378b85b..17c45f8 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -876,6 +876,8 @@ const 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', "sample-intr-regs", &record.opts.sample_intr_regs,
+ "Sample machine register on interrupt"),


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