Messages in this thread Patch in this message | | | Date | Mon, 19 Oct 2020 17:44:41 -0000 | From | "tip-bot2 for Al Grant" <> | Subject | [tip: perf/urgent] perf: correct SNOOPX field offset |
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The following commit has been merged into the perf/urgent branch of tip:
Commit-ID: f3d301c1f2f5676465cdf3259737ea19cc82731f Gitweb: https://git.kernel.org/tip/f3d301c1f2f5676465cdf3259737ea19cc82731f Author: Al Grant <al.grant@foss.arm.com> AuthorDate: Mon, 21 Sep 2020 21:46:37 +01:00 Committer: Peter Zijlstra <peterz@infradead.org> CommitterDate: Mon, 19 Oct 2020 19:39:22 +02:00
perf: correct SNOOPX field offset
perf_event.h has macros that define the field offsets in the data_src bitmask in perf records. The SNOOPX and REMOTE offsets were both 37. These are distinct fields, and the bitfield layout in perf_mem_data_src confirms that SNOOPX should be at offset 38.
Fixes: 52839e653b5629bd ("perf tools: Add support for printing new mem_info encodings") Signed-off-by: Al Grant <al.grant@foss.arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Andi Kleen <ak@linux.intel.com> Link: https://lkml.kernel.org/r/4ac9f5cc-4388-b34a-9999-418a4099415d@foss.arm.com --- include/uapi/linux/perf_event.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 077e7ee..b95d3c4 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -1196,7 +1196,7 @@ union perf_mem_data_src { #define PERF_MEM_SNOOPX_FWD 0x01 /* forward */ /* 1 free */ -#define PERF_MEM_SNOOPX_SHIFT 37 +#define PERF_MEM_SNOOPX_SHIFT 38 /* locked instruction */ #define PERF_MEM_LOCK_NA 0x01 /* not available */
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