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perf arm-spe: Add new function arm_spe_pkt_desc_event()
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> 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/20201119152441.6972-10-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -287,6 +287,42 @@ static int arm_spe_pkt_out_string(int *err, char **buf_p, size_t *blen,
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return ret;
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}
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static int arm_spe_pkt_desc_event(const struct arm_spe_pkt *packet,
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char *buf, size_t buf_len)
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{
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u64 payload = packet->payload;
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int err = 0;
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arm_spe_pkt_out_string(&err, &buf, &buf_len, "EV");
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if (payload & 0x1)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " EXCEPTION-GEN");
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if (payload & 0x2)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " RETIRED");
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if (payload & 0x4)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " L1D-ACCESS");
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if (payload & 0x8)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " L1D-REFILL");
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if (payload & 0x10)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " TLB-ACCESS");
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if (payload & 0x20)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " TLB-REFILL");
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if (payload & 0x40)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " NOT-TAKEN");
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if (payload & 0x80)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " MISPRED");
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if (packet->index > 1) {
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if (payload & 0x100)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " LLC-ACCESS");
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if (payload & 0x200)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " LLC-REFILL");
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if (payload & 0x400)
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arm_spe_pkt_out_string(&err, &buf, &buf_len, " REMOTE-ACCESS");
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}
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return err;
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}
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static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet,
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char *buf, size_t buf_len)
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{
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@ -367,32 +403,7 @@ int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf,
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arm_spe_pkt_out_string(&err, &buf, &blen, "%s", name);
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break;
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case ARM_SPE_EVENTS:
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arm_spe_pkt_out_string(&err, &buf, &blen, "EV");
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if (payload & 0x1)
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arm_spe_pkt_out_string(&err, &buf, &blen, " EXCEPTION-GEN");
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if (payload & 0x2)
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arm_spe_pkt_out_string(&err, &buf, &blen, " RETIRED");
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if (payload & 0x4)
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arm_spe_pkt_out_string(&err, &buf, &blen, " L1D-ACCESS");
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if (payload & 0x8)
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arm_spe_pkt_out_string(&err, &buf, &blen, " L1D-REFILL");
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if (payload & 0x10)
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arm_spe_pkt_out_string(&err, &buf, &blen, " TLB-ACCESS");
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if (payload & 0x20)
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arm_spe_pkt_out_string(&err, &buf, &blen, " TLB-REFILL");
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if (payload & 0x40)
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arm_spe_pkt_out_string(&err, &buf, &blen, " NOT-TAKEN");
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if (payload & 0x80)
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arm_spe_pkt_out_string(&err, &buf, &blen, " MISPRED");
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if (idx > 1) {
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if (payload & 0x100)
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arm_spe_pkt_out_string(&err, &buf, &blen, " LLC-ACCESS");
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if (payload & 0x200)
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arm_spe_pkt_out_string(&err, &buf, &blen, " LLC-REFILL");
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if (payload & 0x400)
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arm_spe_pkt_out_string(&err, &buf, &blen, " REMOTE-ACCESS");
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}
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err = arm_spe_pkt_desc_event(packet, buf, buf_len);
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break;
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case ARM_SPE_OP_TYPE:
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switch (idx) {
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