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-rw-r--r--tools/perf/builtin-ftrace.c45
-rwxr-xr-xtools/perf/trace/beauty/prctl_option.sh2
-rw-r--r--tools/perf/util/annotate.c1
-rw-r--r--tools/perf/util/bpf_counter_cgroup.c2
-rw-r--r--tools/perf/util/machine.c2
-rw-r--r--tools/perf/util/map_symbol.h1
-rw-r--r--tools/perf/util/perf_event_attr_fprintf.c2
-rw-r--r--tools/perf/util/session.c3
-rw-r--r--tools/perf/util/sort.c4
-rw-r--r--tools/perf/util/stat-display.c19
-rw-r--r--tools/perf/util/synthetic-events.c19
11 files changed, 64 insertions, 36 deletions
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index dec24dc0e767..a8785dec5ca6 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -1115,6 +1115,7 @@ enum perf_ftrace_subcommand {
int cmd_ftrace(int argc, const char **argv)
{
int ret;
+ int (*cmd_func)(struct perf_ftrace *) = NULL;
struct perf_ftrace ftrace = {
.tracer = DEFAULT_TRACER,
.target = { .uid = UINT_MAX, },
@@ -1221,6 +1222,28 @@ int cmd_ftrace(int argc, const char **argv)
goto out_delete_filters;
}
+ switch (subcmd) {
+ case PERF_FTRACE_TRACE:
+ if (!argc && target__none(&ftrace.target))
+ ftrace.target.system_wide = true;
+ cmd_func = __cmd_ftrace;
+ break;
+ case PERF_FTRACE_LATENCY:
+ if (list_empty(&ftrace.filters)) {
+ pr_err("Should provide a function to measure\n");
+ parse_options_usage(ftrace_usage, options, "T", 1);
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+ cmd_func = __cmd_latency;
+ break;
+ case PERF_FTRACE_NONE:
+ default:
+ pr_err("Invalid subcommand\n");
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+
ret = target__validate(&ftrace.target);
if (ret) {
char errbuf[512];
@@ -1248,27 +1271,7 @@ int cmd_ftrace(int argc, const char **argv)
goto out_delete_evlist;
}
- switch (subcmd) {
- case PERF_FTRACE_TRACE:
- if (!argc && target__none(&ftrace.target))
- ftrace.target.system_wide = true;
- ret = __cmd_ftrace(&ftrace);
- break;
- case PERF_FTRACE_LATENCY:
- if (list_empty(&ftrace.filters)) {
- pr_err("Should provide a function to measure\n");
- parse_options_usage(ftrace_usage, options, "T", 1);
- ret = -EINVAL;
- goto out_delete_evlist;
- }
- ret = __cmd_latency(&ftrace);
- break;
- case PERF_FTRACE_NONE:
- default:
- pr_err("Invalid subcommand\n");
- ret = -EINVAL;
- break;
- }
+ ret = cmd_func(&ftrace);
out_delete_evlist:
evlist__delete(ftrace.evlist);
diff --git a/tools/perf/trace/beauty/prctl_option.sh b/tools/perf/trace/beauty/prctl_option.sh
index 3109d7b05e11..3d278785fe57 100755
--- a/tools/perf/trace/beauty/prctl_option.sh
+++ b/tools/perf/trace/beauty/prctl_option.sh
@@ -4,7 +4,7 @@
[ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
printf "static const char *prctl_options[] = {\n"
-regex='^#define[[:space:]]+PR_(\w+)[[:space:]]*([[:xdigit:]]+).*'
+regex='^#define[[:space:]]{1}PR_(\w+)[[:space:]]*([[:xdigit:]]+)([[:space:]]*\/.*)?$'
egrep $regex ${header_dir}/prctl.h | grep -v PR_SET_PTRACER | \
sed -r "s/$regex/\2 \1/g" | \
sort -n | xargs printf "\t[%s] = \"%s\",\n"
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 01900689dc00..8190a124b99d 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2036,6 +2036,7 @@ static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
memset(&objdump_process, 0, sizeof(objdump_process));
objdump_process.argv = objdump_argv;
objdump_process.out = -1;
+ objdump_process.err = -1;
if (start_command(&objdump_process)) {
pr_err("Failure starting to run %s\n", command);
err = -1;
diff --git a/tools/perf/util/bpf_counter_cgroup.c b/tools/perf/util/bpf_counter_cgroup.c
index 631e34a0b66f..ac60c08e8e2a 100644
--- a/tools/perf/util/bpf_counter_cgroup.c
+++ b/tools/perf/util/bpf_counter_cgroup.c
@@ -266,7 +266,7 @@ static int bperf_cgrp__read(struct evsel *evsel)
idx = evsel->core.idx;
err = bpf_map_lookup_elem(reading_map_fd, &idx, values);
if (err) {
- pr_err("bpf map lookup falied: idx=%u, event=%s, cgrp=%s\n",
+ pr_err("bpf map lookup failed: idx=%u, event=%s, cgrp=%s\n",
idx, evsel__name(evsel), evsel->cgrp->name);
goto out;
}
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index f70ba56912d4..394550003693 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2073,6 +2073,7 @@ static void ip__resolve_ams(struct thread *thread,
ams->addr = ip;
ams->al_addr = al.addr;
+ ams->al_level = al.level;
ams->ms.maps = al.maps;
ams->ms.sym = al.sym;
ams->ms.map = al.map;
@@ -2092,6 +2093,7 @@ static void ip__resolve_data(struct thread *thread,
ams->addr = addr;
ams->al_addr = al.addr;
+ ams->al_level = al.level;
ams->ms.maps = al.maps;
ams->ms.sym = al.sym;
ams->ms.map = al.map;
diff --git a/tools/perf/util/map_symbol.h b/tools/perf/util/map_symbol.h
index 7d22ade082c8..e08817b0c30f 100644
--- a/tools/perf/util/map_symbol.h
+++ b/tools/perf/util/map_symbol.h
@@ -18,6 +18,7 @@ struct addr_map_symbol {
struct map_symbol ms;
u64 addr;
u64 al_addr;
+ char al_level;
u64 phys_addr;
u64 data_page_size;
};
diff --git a/tools/perf/util/perf_event_attr_fprintf.c b/tools/perf/util/perf_event_attr_fprintf.c
index 47b7531f51da..98af3fa4ea35 100644
--- a/tools/perf/util/perf_event_attr_fprintf.c
+++ b/tools/perf/util/perf_event_attr_fprintf.c
@@ -52,7 +52,7 @@ static void __p_branch_sample_type(char *buf, size_t size, u64 value)
bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX),
bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP),
bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES),
- bit_name(HW_INDEX),
+ bit_name(TYPE_SAVE), bit_name(HW_INDEX),
{ .name = NULL, }
};
#undef bit_name
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 2c0d30f08e78..498b05708db5 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1503,11 +1503,12 @@ static int machines__deliver_event(struct machines *machines,
++evlist->stats.nr_unknown_id;
return 0;
}
- dump_sample(evsel, event, sample, perf_env__arch(machine->env));
if (machine == NULL) {
++evlist->stats.nr_unprocessable_samples;
+ dump_sample(evsel, event, sample, perf_env__arch(NULL));
return 0;
}
+ dump_sample(evsel, event, sample, perf_env__arch(machine->env));
return evlist__deliver_sample(evlist, tool, event, sample, evsel, machine);
case PERF_RECORD_MMAP:
return tool->mmap(tool, event, sample, machine);
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index cfba8c337783..2da081ef532b 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -915,7 +915,7 @@ static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
struct addr_map_symbol *from = &he->branch_info->from;
return _hist_entry__sym_snprintf(&from->ms, from->al_addr,
- he->level, bf, size, width);
+ from->al_level, bf, size, width);
}
return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
@@ -928,7 +928,7 @@ static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
struct addr_map_symbol *to = &he->branch_info->to;
return _hist_entry__sym_snprintf(&to->ms, to->al_addr,
- he->level, bf, size, width);
+ to->al_level, bf, size, width);
}
return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 5db83e51ceef..9cbe351b141f 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -585,15 +585,16 @@ static void collect_all_aliases(struct perf_stat_config *config, struct evsel *c
alias = list_prepare_entry(counter, &(evlist->core.entries), core.node);
list_for_each_entry_continue (alias, &evlist->core.entries, core.node) {
- if (strcmp(evsel__name(alias), evsel__name(counter)) ||
- alias->scale != counter->scale ||
- alias->cgrp != counter->cgrp ||
- strcmp(alias->unit, counter->unit) ||
- evsel__is_clock(alias) != evsel__is_clock(counter) ||
- !strcmp(alias->pmu_name, counter->pmu_name))
- break;
- alias->merged_stat = true;
- cb(config, alias, data, false);
+ /* Merge events with the same name, etc. but on different PMUs. */
+ if (!strcmp(evsel__name(alias), evsel__name(counter)) &&
+ alias->scale == counter->scale &&
+ alias->cgrp == counter->cgrp &&
+ !strcmp(alias->unit, counter->unit) &&
+ evsel__is_clock(alias) == evsel__is_clock(counter) &&
+ strcmp(alias->pmu_name, counter->pmu_name)) {
+ alias->merged_stat = true;
+ cb(config, alias, data, false);
+ }
}
}
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 70f095624a0b..b654de0841f8 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -1784,6 +1784,25 @@ int __machine__synthesize_threads(struct machine *machine, struct perf_tool *too
perf_event__handler_t process, bool needs_mmap,
bool data_mmap, unsigned int nr_threads_synthesize)
{
+ /*
+ * When perf runs in non-root PID namespace, and the namespace's proc FS
+ * is not mounted, nsinfo__is_in_root_namespace() returns false.
+ * In this case, the proc FS is coming for the parent namespace, thus
+ * perf tool will wrongly gather process info from its parent PID
+ * namespace.
+ *
+ * To avoid the confusion that the perf tool runs in a child PID
+ * namespace but it synthesizes thread info from its parent PID
+ * namespace, returns failure with warning.
+ */
+ if (!nsinfo__is_in_root_namespace()) {
+ pr_err("Perf runs in non-root PID namespace but it tries to ");
+ pr_err("gather process info from its parent PID namespace.\n");
+ pr_err("Please mount the proc file system properly, e.g. ");
+ pr_err("add the option '--mount-proc' for unshare command.\n");
+ return -EPERM;
+ }
+
if (target__has_task(target))
return perf_event__synthesize_thread_map(tool, threads, process, machine,
needs_mmap, data_mmap);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 05:30:32 +0000