summaryrefslogtreecommitdiff
path: root/tools/perf/util/intel-bts.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/intel-bts.c')
-rw-r--r--tools/perf/util/intel-bts.c139
1 files changed, 48 insertions, 91 deletions
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index ee6ca65f81f4..382255393fb3 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -1,16 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* intel-bts.c: Intel Processor Trace support
* Copyright (c) 2013-2015, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
*/
#include <endian.h>
@@ -21,14 +12,15 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
-#include "cpumap.h"
#include "color.h"
#include "evsel.h"
#include "evlist.h"
#include "machine.h"
+#include "symbol.h"
#include "session.h"
-#include "util.h"
+#include "tool.h"
#include "thread.h"
#include "thread-stack.h"
#include "debug.h"
@@ -36,13 +28,14 @@
#include "auxtrace.h"
#include "intel-pt-decoder/intel-pt-insn-decoder.h"
#include "intel-bts.h"
+#include "util/synthetic-events.h"
#define MAX_TIMESTAMP (~0ULL)
#define INTEL_BTS_ERR_NOINSN 5
#define INTEL_BTS_ERR_LOST 9
-#if __BYTE_ORDER == __BIG_ENDIAN
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define le64_to_cpu bswap_64
#else
#define le64_to_cpu
@@ -107,7 +100,7 @@ static void intel_bts_dump(struct intel_bts *bts __maybe_unused,
else
sz = len;
printf(".");
- color_fprintf(stdout, color, " %08x: ", pos);
+ color_fprintf(stdout, color, " %08zx: ", pos);
for (i = 0; i < sz; i++)
color_fprintf(stdout, color, " %02x", buf[i]);
for (; i < br_sz; i++)
@@ -142,7 +135,7 @@ static int intel_bts_lost(struct intel_bts *bts, struct perf_sample *sample)
auxtrace_synth_error(&event.auxtrace_error, PERF_AUXTRACE_ERROR_ITRACE,
INTEL_BTS_ERR_LOST, sample->cpu, sample->pid,
- sample->tid, 0, "Lost trace data");
+ sample->tid, 0, "Lost trace data", sample->time);
err = perf_session__deliver_synth_event(bts->session, &event, NULL);
if (err)
@@ -282,12 +275,13 @@ static int intel_bts_synth_branch_sample(struct intel_bts_queue *btsq,
int ret;
struct intel_bts *bts = btsq->bts;
union perf_event event;
- struct perf_sample sample = { .ip = 0, };
+ struct perf_sample sample;
if (bts->synth_opts.initial_skip &&
bts->num_events++ <= bts->synth_opts.initial_skip)
return 0;
+ perf_sample__init(&sample, /*all=*/true);
sample.ip = le64_to_cpu(branch->from);
sample.cpumode = intel_bts_cpumode(bts, sample.ip);
sample.pid = btsq->pid;
@@ -319,6 +313,7 @@ static int intel_bts_synth_branch_sample(struct intel_bts_queue *btsq,
pr_err("Intel BTS: failed to deliver branch event, error %d\n",
ret);
+ perf_sample__exit(&sample);
return ret;
}
@@ -326,35 +321,19 @@ static int intel_bts_get_next_insn(struct intel_bts_queue *btsq, u64 ip)
{
struct machine *machine = btsq->bts->machine;
struct thread *thread;
- struct addr_location al;
unsigned char buf[INTEL_PT_INSN_BUF_SZ];
ssize_t len;
- int x86_64;
- uint8_t cpumode;
+ bool x86_64;
int err = -1;
- if (machine__kernel_ip(machine, ip))
- cpumode = PERF_RECORD_MISC_KERNEL;
- else
- cpumode = PERF_RECORD_MISC_USER;
-
thread = machine__find_thread(machine, -1, btsq->tid);
if (!thread)
return -1;
- if (!thread__find_map(thread, cpumode, ip, &al) || !al.map->dso)
- goto out_put;
-
- len = dso__data_read_addr(al.map->dso, al.map, machine, ip, buf,
- INTEL_PT_INSN_BUF_SZ);
+ len = thread__memcpy(thread, machine, buf, ip, INTEL_PT_INSN_BUF_SZ, &x86_64);
if (len <= 0)
goto out_put;
- /* Load maps to ensure dso->is_64_bit has been updated */
- map__load(al.map);
-
- x86_64 = al.map->dso->is_64_bit;
-
if (intel_pt_get_insn(buf, len, x86_64, &btsq->intel_pt_insn))
goto out_put;
@@ -372,7 +351,7 @@ static int intel_bts_synth_error(struct intel_bts *bts, int cpu, pid_t pid,
auxtrace_synth_error(&event.auxtrace_error, PERF_AUXTRACE_ERROR_ITRACE,
INTEL_BTS_ERR_NOINSN, cpu, pid, tid, ip,
- "Failed to get instruction");
+ "Failed to get instruction", 0);
err = perf_session__deliver_synth_event(bts->session, &event, NULL);
if (err)
@@ -455,7 +434,7 @@ static int intel_bts_process_buffer(struct intel_bts_queue *btsq,
le64_to_cpu(branch->from),
le64_to_cpu(branch->to),
btsq->intel_pt_insn.length,
- buffer->buffer_nr + 1);
+ buffer->buffer_nr + 1, true, 0, 0);
if (filter && !(filter & btsq->sample_flags))
continue;
err = intel_bts_synth_branch_sample(btsq, branch);
@@ -479,7 +458,7 @@ static int intel_bts_process_queue(struct intel_bts_queue *btsq, u64 *timestamp)
thread = machine__find_thread(btsq->bts->machine, -1,
btsq->tid);
if (thread)
- btsq->pid = thread->pid_;
+ btsq->pid = thread__pid(thread);
} else {
thread = machine__findnew_thread(btsq->bts->machine, btsq->pid,
btsq->tid);
@@ -614,7 +593,7 @@ static int intel_bts_process_queues(struct intel_bts *bts, u64 timestamp)
static int intel_bts_process_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample,
- struct perf_tool *tool)
+ const struct perf_tool *tool)
{
struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
auxtrace);
@@ -657,7 +636,7 @@ static int intel_bts_process_event(struct perf_session *session,
static int intel_bts_process_auxtrace_event(struct perf_session *session,
union perf_event *event,
- struct perf_tool *tool __maybe_unused)
+ const struct perf_tool *tool __maybe_unused)
{
struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
auxtrace);
@@ -698,7 +677,7 @@ static int intel_bts_process_auxtrace_event(struct perf_session *session,
}
static int intel_bts_flush(struct perf_session *session,
- struct perf_tool *tool __maybe_unused)
+ const struct perf_tool *tool __maybe_unused)
{
struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
auxtrace);
@@ -751,47 +730,27 @@ static void intel_bts_free(struct perf_session *session)
free(bts);
}
-struct intel_bts_synth {
- struct perf_tool dummy_tool;
- struct perf_session *session;
-};
-
-static int intel_bts_event_synth(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample __maybe_unused,
- struct machine *machine __maybe_unused)
-{
- struct intel_bts_synth *intel_bts_synth =
- container_of(tool, struct intel_bts_synth, dummy_tool);
-
- return perf_session__deliver_synth_event(intel_bts_synth->session,
- event, NULL);
-}
-
-static int intel_bts_synth_event(struct perf_session *session,
- struct perf_event_attr *attr, u64 id)
+static bool intel_bts_evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel)
{
- struct intel_bts_synth intel_bts_synth;
-
- memset(&intel_bts_synth, 0, sizeof(struct intel_bts_synth));
- intel_bts_synth.session = session;
+ struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
+ auxtrace);
- return perf_event__synthesize_attr(&intel_bts_synth.dummy_tool, attr, 1,
- &id, intel_bts_event_synth);
+ return evsel->core.attr.type == bts->pmu_type;
}
static int intel_bts_synth_events(struct intel_bts *bts,
struct perf_session *session)
{
- struct perf_evlist *evlist = session->evlist;
- struct perf_evsel *evsel;
+ struct evlist *evlist = session->evlist;
+ struct evsel *evsel;
struct perf_event_attr attr;
bool found = false;
u64 id;
int err;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == bts->pmu_type && evsel->ids) {
+ if (evsel->core.attr.type == bts->pmu_type && evsel->core.ids) {
found = true;
break;
}
@@ -805,22 +764,20 @@ static int intel_bts_synth_events(struct intel_bts *bts,
memset(&attr, 0, sizeof(struct perf_event_attr));
attr.size = sizeof(struct perf_event_attr);
attr.type = PERF_TYPE_HARDWARE;
- attr.sample_type = evsel->attr.sample_type & PERF_SAMPLE_MASK;
+ attr.sample_type = evsel->core.attr.sample_type & PERF_SAMPLE_MASK;
attr.sample_type |= PERF_SAMPLE_IP | PERF_SAMPLE_TID |
PERF_SAMPLE_PERIOD;
attr.sample_type &= ~(u64)PERF_SAMPLE_TIME;
attr.sample_type &= ~(u64)PERF_SAMPLE_CPU;
- attr.exclude_user = evsel->attr.exclude_user;
- attr.exclude_kernel = evsel->attr.exclude_kernel;
- attr.exclude_hv = evsel->attr.exclude_hv;
- attr.exclude_host = evsel->attr.exclude_host;
- attr.exclude_guest = evsel->attr.exclude_guest;
- attr.sample_id_all = evsel->attr.sample_id_all;
- attr.read_format = evsel->attr.read_format;
-
- id = evsel->id[0] + 1000000000;
- if (!id)
- id = 1;
+ attr.exclude_user = evsel->core.attr.exclude_user;
+ attr.exclude_kernel = evsel->core.attr.exclude_kernel;
+ attr.exclude_hv = evsel->core.attr.exclude_hv;
+ attr.exclude_host = evsel->core.attr.exclude_host;
+ attr.exclude_guest = evsel->core.attr.exclude_guest;
+ attr.sample_id_all = evsel->core.attr.sample_id_all;
+ attr.read_format = evsel->core.attr.read_format;
+
+ id = auxtrace_synth_id_range_start(evsel);
if (bts->synth_opts.branches) {
attr.config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS;
@@ -828,7 +785,7 @@ static int intel_bts_synth_events(struct intel_bts *bts,
attr.sample_type |= PERF_SAMPLE_ADDR;
pr_debug("Synthesizing 'branches' event with id %" PRIu64 " sample type %#" PRIx64 "\n",
id, (u64)attr.sample_type);
- err = intel_bts_synth_event(session, &attr, id);
+ err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err) {
pr_err("%s: failed to synthesize 'branches' event type\n",
__func__);
@@ -839,10 +796,10 @@ static int intel_bts_synth_events(struct intel_bts *bts,
bts->branches_id = id;
/*
* We only use sample types from PERF_SAMPLE_MASK so we can use
- * __perf_evsel__sample_size() here.
+ * __evsel__sample_size() here.
*/
- bts->branches_event_size = sizeof(struct sample_event) +
- __perf_evsel__sample_size(attr.sample_type);
+ bts->branches_event_size = sizeof(struct perf_record_sample) +
+ __evsel__sample_size(attr.sample_type);
}
return 0;
@@ -851,13 +808,13 @@ static int intel_bts_synth_events(struct intel_bts *bts,
static const char * const intel_bts_info_fmts[] = {
[INTEL_BTS_PMU_TYPE] = " PMU Type %"PRId64"\n",
[INTEL_BTS_TIME_SHIFT] = " Time Shift %"PRIu64"\n",
- [INTEL_BTS_TIME_MULT] = " Time Muliplier %"PRIu64"\n",
+ [INTEL_BTS_TIME_MULT] = " Time Multiplier %"PRIu64"\n",
[INTEL_BTS_TIME_ZERO] = " Time Zero %"PRIu64"\n",
[INTEL_BTS_CAP_USER_TIME_ZERO] = " Cap Time Zero %"PRId64"\n",
[INTEL_BTS_SNAPSHOT_MODE] = " Snapshot mode %"PRId64"\n",
};
-static void intel_bts_print_info(u64 *arr, int start, int finish)
+static void intel_bts_print_info(__u64 *arr, int start, int finish)
{
int i;
@@ -871,12 +828,12 @@ static void intel_bts_print_info(u64 *arr, int start, int finish)
int intel_bts_process_auxtrace_info(union perf_event *event,
struct perf_session *session)
{
- struct auxtrace_info_event *auxtrace_info = &event->auxtrace_info;
+ struct perf_record_auxtrace_info *auxtrace_info = &event->auxtrace_info;
size_t min_sz = sizeof(u64) * INTEL_BTS_SNAPSHOT_MODE;
struct intel_bts *bts;
int err;
- if (auxtrace_info->header.size < sizeof(struct auxtrace_info_event) +
+ if (auxtrace_info->header.size < sizeof(struct perf_record_auxtrace_info) +
min_sz)
return -EINVAL;
@@ -906,6 +863,7 @@ int intel_bts_process_auxtrace_info(union perf_event *event,
bts->auxtrace.flush_events = intel_bts_flush;
bts->auxtrace.free_events = intel_bts_free_events;
bts->auxtrace.free = intel_bts_free;
+ bts->auxtrace.evsel_is_auxtrace = intel_bts_evsel_is_auxtrace;
session->auxtrace = &bts->auxtrace;
intel_bts_print_info(&auxtrace_info->priv[0], INTEL_BTS_PMU_TYPE,
@@ -914,13 +872,12 @@ int intel_bts_process_auxtrace_info(union perf_event *event,
if (dump_trace)
return 0;
- if (session->itrace_synth_opts && session->itrace_synth_opts->set) {
+ if (session->itrace_synth_opts->set) {
bts->synth_opts = *session->itrace_synth_opts;
} else {
itrace_synth_opts__set_default(&bts->synth_opts,
session->itrace_synth_opts->default_no_sample);
- if (session->itrace_synth_opts)
- bts->synth_opts.thread_stack =
+ bts->synth_opts.thread_stack =
session->itrace_synth_opts->thread_stack;
}
generated by cgit (git 2.34.1) at 2025-12-24 21:05:41 +0000