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Subject[PATCH v6 14/21] perf arm-spe: Add new function arm_spe_pkt_desc_event()
Date
This patch moves out the event packet parsing from arm_spe_pkt_desc()
to the new function arm_spe_pkt_desc_event().

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
---
.../arm-spe-decoder/arm-spe-pkt-decoder.c | 66 +++++++++++--------
1 file changed, 38 insertions(+), 28 deletions(-)

diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
index d867d7024480..04ae4b760840 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
@@ -273,6 +273,43 @@ static int arm_spe_pkt_snprintf(int *err, char **buf_p, size_t *blen,
return ret;
}

+static int arm_spe_pkt_desc_event(const struct arm_spe_pkt *packet,
+ char *buf, size_t buf_len)
+{
+ u64 payload = packet->payload;
+ size_t blen = buf_len;
+ int err = 0;
+
+ arm_spe_pkt_snprintf(&err, &buf, &blen, "EV");
+
+ if (payload & 0x1)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " EXCEPTION-GEN");
+ if (payload & 0x2)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " RETIRED");
+ if (payload & 0x4)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " L1D-ACCESS");
+ if (payload & 0x8)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " L1D-REFILL");
+ if (payload & 0x10)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " TLB-ACCESS");
+ if (payload & 0x20)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " TLB-REFILL");
+ if (payload & 0x40)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " NOT-TAKEN");
+ if (payload & 0x80)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " MISPRED");
+ if (packet->index > 1) {
+ if (payload & 0x100)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " LLC-ACCESS");
+ if (payload & 0x200)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " LLC-REFILL");
+ if (payload & 0x400)
+ arm_spe_pkt_snprintf(&err, &buf, &blen, " REMOTE-ACCESS");
+ }
+
+ return err ?: (int)(buf_len - blen);
+}
+
static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet,
char *buf, size_t buf_len)
{
@@ -345,34 +382,7 @@ int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf,
case ARM_SPE_END:
return arm_spe_pkt_snprintf(&err, &buf, &blen, "%s", name);
case ARM_SPE_EVENTS:
- arm_spe_pkt_snprintf(&err, &buf, &blen, "EV");
-
- if (payload & 0x1)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " EXCEPTION-GEN");
- if (payload & 0x2)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " RETIRED");
- if (payload & 0x4)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " L1D-ACCESS");
- if (payload & 0x8)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " L1D-REFILL");
- if (payload & 0x10)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " TLB-ACCESS");
- if (payload & 0x20)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " TLB-REFILL");
- if (payload & 0x40)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " NOT-TAKEN");
- if (payload & 0x80)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " MISPRED");
- if (idx > 1) {
- if (payload & 0x100)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " LLC-ACCESS");
- if (payload & 0x200)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " LLC-REFILL");
- if (payload & 0x400)
- arm_spe_pkt_snprintf(&err, &buf, &blen, " REMOTE-ACCESS");
- }
- return err ?: (int)(buf_len - blen);
-
+ return arm_spe_pkt_desc_event(packet, buf, buf_len);
case ARM_SPE_OP_TYPE:
switch (idx) {
case 0:
--
2.17.1
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