From: Leo Yan leo.yan@linaro.org
mainline inclusion from mainline-v5.11-rc1 commit c52cfe987213 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4NGPV CVE: NA
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This patch moves out the counter packet parsing code from arm_spe_pkt_desc() to the new function arm_spe_pkt_desc_counter().
Signed-off-by: Leo Yan leo.yan@linaro.org Reviewed-by: Andre Przywara andre.przywara@arm.com Acked-by: Will Deacon will@kernel.org Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Al Grant Al.Grant@arm.com Cc: Arnaldo Carvalho de Melo acme@kernel.org Cc: Dave Martin Dave.Martin@arm.com Cc: Ingo Molnar mingo@redhat.com Cc: James Clark james.clark@arm.com Cc: Jiri Olsa jolsa@redhat.com Cc: John Garry john.garry@huawei.com Cc: Mark Rutland mark.rutland@arm.com Cc: Mathieu Poirier mathieu.poirier@linaro.org Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Wei Li liwei391@huawei.com Link: https://lore.kernel.org/r/20201119152441.6972-8-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Wei Li liwei391@huawei.com Reviewed-by: Yang Jihong yangjihong1@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- .../arm-spe-decoder/arm-spe-pkt-decoder.c | 43 ++++++++++++------- 1 file changed, 28 insertions(+), 15 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 978f5551b82c..397ade5ffdeb 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 @@ -322,6 +322,33 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet, return err; }
+static int arm_spe_pkt_desc_counter(const struct arm_spe_pkt *packet, + char *buf, size_t buf_len) +{ + u64 payload = packet->payload; + const char *name = arm_spe_pkt_name(packet->type); + int err = 0; + + arm_spe_pkt_out_string(&err, &buf, &buf_len, "%s %d ", name, + (unsigned short)payload); + + switch (packet->index) { + case 0: + arm_spe_pkt_out_string(&err, &buf, &buf_len, "TOT"); + break; + case 1: + arm_spe_pkt_out_string(&err, &buf, &buf_len, "ISSUE"); + break; + case 2: + arm_spe_pkt_out_string(&err, &buf, &buf_len, "XLAT"); + break; + default: + break; + } + + return err; +} + int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf, size_t buf_len) { @@ -414,21 +441,7 @@ int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf, name, (unsigned long)payload, idx + 1); break; case ARM_SPE_COUNTER: - arm_spe_pkt_out_string(&err, &buf, &blen, "%s %d ", name, - (unsigned short)payload); - switch (idx) { - case 0: - arm_spe_pkt_out_string(&err, &buf, &blen, "TOT"); - break; - case 1: - arm_spe_pkt_out_string(&err, &buf, &blen, "ISSUE"); - break; - case 2: - arm_spe_pkt_out_string(&err, &buf, &blen, "XLAT"); - break; - default: - break; - } + err = arm_spe_pkt_desc_counter(packet, buf, buf_len); break; default: /* Unknown packet type */