diff mbox series

[v2,3/4] perf arm-spe: Save context ID in record

Message ID 20211109115020.31623-4-german.gomez@arm.com (mailing list archive)
State New, archived
Headers show
Series perf arm-spe: Track pid/tid for Arm SPE samples | expand

Commit Message

German Gomez Nov. 9, 2021, 11:50 a.m. UTC 
This patch is to save context ID in record, this will be used to set TID
for samples.

Signed-off-by: German Gomez <german.gomez@arm.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
---
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 2 ++
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 1 +
 2 files changed, 3 insertions(+)

Comments

Namhyung Kim Nov. 11, 2021, 7:25 a.m. UTC | #1 
Hello,

On Tue, Nov 9, 2021 at 3:50 AM German Gomez <german.gomez@arm.com> wrote:
>
> This patch is to save context ID in record, this will be used to set TID
> for samples.
>
> Signed-off-by: German Gomez <german.gomez@arm.com>
> Reviewed-by: Leo Yan <leo.yan@linaro.org>

Acked-by: Namhyung Kim <namhyung@kernel.org>

Thanks,
Namhyung


> ---
>  tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 2 ++
>  tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 1 +
>  2 files changed, 3 insertions(+)
>
> diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
> index 32fe41835..3fc528c92 100644
> --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
> +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
> @@ -151,6 +151,7 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
>         u64 payload, ip;
>
>         memset(&decoder->record, 0x0, sizeof(decoder->record));
> +       decoder->record.context_id = (u64)-1;
>
>         while (1) {
>                 err = arm_spe_get_next_packet(decoder);
> @@ -180,6 +181,7 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
>                 case ARM_SPE_COUNTER:
>                         break;
>                 case ARM_SPE_CONTEXT:
> +                       decoder->record.context_id = payload;
>                         break;
>                 case ARM_SPE_OP_TYPE:
>                         if (idx == SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC) {
> diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
> index 59bdb7309..46a8556a9 100644
> --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
> +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
> @@ -38,6 +38,7 @@ struct arm_spe_record {
>         u64 timestamp;
>         u64 virt_addr;
>         u64 phys_addr;
> +       u64 context_id;
>  };
>
>  struct arm_spe_insn;
> --
> 2.25.1
>
diff mbox series

Patch

diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
index 32fe41835..3fc528c92 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -151,6 +151,7 @@  static int arm_spe_read_record(struct arm_spe_decoder *decoder)
 	u64 payload, ip;
 
 	memset(&decoder->record, 0x0, sizeof(decoder->record));
+	decoder->record.context_id = (u64)-1;
 
 	while (1) {
 		err = arm_spe_get_next_packet(decoder);
@@ -180,6 +181,7 @@  static int arm_spe_read_record(struct arm_spe_decoder *decoder)
 		case ARM_SPE_COUNTER:
 			break;
 		case ARM_SPE_CONTEXT:
+			decoder->record.context_id = payload;
 			break;
 		case ARM_SPE_OP_TYPE:
 			if (idx == SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC) {
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
index 59bdb7309..46a8556a9 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -38,6 +38,7 @@  struct arm_spe_record {
 	u64 timestamp;
 	u64 virt_addr;
 	u64 phys_addr;
+	u64 context_id;
 };
 
 struct arm_spe_insn;