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perf arm-spe: Add new function arm_spe_pkt_desc_op_type() 

The operation type packet is complex and contains subclass; the parsing
flow causes deep indentation; for more readable, this patch introduces
a new function arm_spe_pkt_desc_op_type() which is used for operation
type parsing.

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/20201119152441.6972-13-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Leo Yan 2020-11-19 23:24:37 +08:00 committed by Arnaldo Carvalho de Melo
parent 4d0f4ca273
commit 7488ffc4d9
1 changed files with 45 additions and 34 deletions
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79
tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
View File

@ -321,6 +321,50 @@ static int arm_spe_pkt_desc_event(const struct arm_spe_pkt *packet,
return err;
}
static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet,
char *buf, size_t buf_len)
{
u64 payload = packet->payload;
int err = 0;
switch (packet->index) {
case 0:
arm_spe_pkt_out_string(&err, &buf, &buf_len,
payload & 0x1 ? "COND-SELECT" : "INSN-OTHER");
break;
case 1:
arm_spe_pkt_out_string(&err, &buf, &buf_len,
payload & 0x1 ? "ST" : "LD");
if (payload & 0x2) {
if (payload & 0x4)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " AT");
if (payload & 0x8)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " EXCL");
if (payload & 0x10)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " AR");
} else if (payload & 0x4) {
arm_spe_pkt_out_string(&err, &buf, &buf_len, " SIMD-FP");
}
break;
case 2:
arm_spe_pkt_out_string(&err, &buf, &buf_len, "B");
if (payload & 0x1)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " COND");
if (payload & 0x2)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " IND");
break;
default:
/* Unknown index */
err = -1;
break;
}
return err;
}
static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet,
char *buf, size_t buf_len)
{
@ -404,40 +448,7 @@ int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf,
err = arm_spe_pkt_desc_event(packet, buf, buf_len);
break;
case ARM_SPE_OP_TYPE:
switch (idx) {
case 0:
arm_spe_pkt_out_string(&err, &buf, &blen,
payload & 0x1 ? "COND-SELECT" : "INSN-OTHER");
break;
case 1:
arm_spe_pkt_out_string(&err, &buf, &blen,
payload & 0x1 ? "ST" : "LD");
if (payload & 0x2) {
if (payload & 0x4)
arm_spe_pkt_out_string(&err, &buf, &blen, " AT");
if (payload & 0x8)
arm_spe_pkt_out_string(&err, &buf, &blen, " EXCL");
if (payload & 0x10)
arm_spe_pkt_out_string(&err, &buf, &blen, " AR");
} else if (payload & 0x4) {
arm_spe_pkt_out_string(&err, &buf, &blen, " SIMD-FP");
}
break;
case 2:
arm_spe_pkt_out_string(&err, &buf, &blen, "B");
if (payload & 0x1)
arm_spe_pkt_out_string(&err, &buf, &blen, " COND");
if (payload & 0x2)
arm_spe_pkt_out_string(&err, &buf, &blen, " IND");
break;
default:
/* Unknown index */
err = -1;
break;
}
err = arm_spe_pkt_desc_op_type(packet, buf, buf_len);
break;
case ARM_SPE_DATA_SOURCE:
case ARM_SPE_TIMESTAMP: