aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/util
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/event.c12
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c5
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c2
-rw-r--r--tools/perf/util/parse-events.c60
-rw-r--r--tools/perf/util/pmu.c2
-rw-r--r--tools/perf/util/scripting-engines/Build2
-rw-r--r--tools/perf/util/strfilter.c1
-rw-r--r--tools/perf/util/string.c2
-rw-r--r--tools/perf/util/thread.c2
-rw-r--r--tools/perf/util/thread_map.c10
10 files changed, 54 insertions, 44 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 956187bf1a85..26cba64345e3 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -416,7 +416,7 @@ static int __event__synthesize_thread(union perf_event *comm_event,
{
char filename[PATH_MAX];
DIR *tasks;
- struct dirent dirent, *next;
+ struct dirent *dirent;
pid_t tgid, ppid;
int rc = 0;
@@ -445,11 +445,11 @@ static int __event__synthesize_thread(union perf_event *comm_event,
return 0;
}
- while (!readdir_r(tasks, &dirent, &next) && next) {
+ while ((dirent = readdir(tasks)) != NULL) {
char *end;
pid_t _pid;
- _pid = strtol(dirent.d_name, &end, 10);
+ _pid = strtol(dirent->d_name, &end, 10);
if (*end)
continue;
@@ -558,7 +558,7 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
{
DIR *proc;
char proc_path[PATH_MAX];
- struct dirent dirent, *next;
+ struct dirent *dirent;
union perf_event *comm_event, *mmap_event, *fork_event;
int err = -1;
@@ -583,9 +583,9 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
if (proc == NULL)
goto out_free_fork;
- while (!readdir_r(proc, &dirent, &next) && next) {
+ while ((dirent = readdir(proc)) != NULL) {
char *end;
- pid_t pid = strtol(dirent.d_name, &end, 10);
+ pid_t pid = strtol(dirent->d_name, &end, 10);
if (*end) /* only interested in proper numerical dirents */
continue;
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 71df7acf8643..933a509a90f8 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -22,6 +22,7 @@
#include <errno.h>
#include <stdint.h>
#include <inttypes.h>
+#include <linux/compiler.h>
#include "../cache.h"
#include "../util.h"
@@ -1708,6 +1709,7 @@ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder)
switch (decoder->packet.type) {
case INTEL_PT_TIP_PGD:
decoder->continuous_period = false;
+ __fallthrough;
case INTEL_PT_TIP_PGE:
case INTEL_PT_TIP:
intel_pt_log("ERROR: Unexpected packet\n");
@@ -1762,6 +1764,8 @@ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder)
decoder->pge = false;
decoder->continuous_period = false;
intel_pt_clear_tx_flags(decoder);
+ __fallthrough;
+
case INTEL_PT_TNT:
decoder->have_tma = false;
intel_pt_log("ERROR: Unexpected packet\n");
@@ -1802,6 +1806,7 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder)
switch (decoder->packet.type) {
case INTEL_PT_TIP_PGD:
decoder->continuous_period = false;
+ __fallthrough;
case INTEL_PT_TIP_PGE:
case INTEL_PT_TIP:
decoder->pge = decoder->packet.type != INTEL_PT_TIP_PGD;
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
index b1257c816310..9b2fce25162b 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
@@ -17,6 +17,7 @@
#include <string.h>
#include <endian.h>
#include <byteswap.h>
+#include <linux/compiler.h>
#include "intel-pt-pkt-decoder.h"
@@ -488,6 +489,7 @@ int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf,
case INTEL_PT_FUP:
if (!(packet->count))
return snprintf(buf, buf_len, "%s no ip", name);
+ __fallthrough;
case INTEL_PT_CYC:
case INTEL_PT_VMCS:
case INTEL_PT_MTC:
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 854dd2105bd5..881bbb5e7912 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -138,11 +138,11 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
#define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
-#define for_each_subsystem(sys_dir, sys_dirent, sys_next) \
- while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \
- if (sys_dirent.d_type == DT_DIR && \
- (strcmp(sys_dirent.d_name, ".")) && \
- (strcmp(sys_dirent.d_name, "..")))
+#define for_each_subsystem(sys_dir, sys_dirent) \
+ while ((sys_dirent = readdir(sys_dir)) != NULL) \
+ if (sys_dirent->d_type == DT_DIR && \
+ (strcmp(sys_dirent->d_name, ".")) && \
+ (strcmp(sys_dirent->d_name, "..")))
static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)
{
@@ -159,12 +159,12 @@ static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)
return 0;
}
-#define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \
- while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \
- if (evt_dirent.d_type == DT_DIR && \
- (strcmp(evt_dirent.d_name, ".")) && \
- (strcmp(evt_dirent.d_name, "..")) && \
- (!tp_event_has_id(&sys_dirent, &evt_dirent)))
+#define for_each_event(sys_dirent, evt_dir, evt_dirent) \
+ while ((evt_dirent = readdir(evt_dir)) != NULL) \
+ if (evt_dirent->d_type == DT_DIR && \
+ (strcmp(evt_dirent->d_name, ".")) && \
+ (strcmp(evt_dirent->d_name, "..")) && \
+ (!tp_event_has_id(sys_dirent, evt_dirent)))
#define MAX_EVENT_LENGTH 512
@@ -173,7 +173,7 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
{
struct tracepoint_path *path = NULL;
DIR *sys_dir, *evt_dir;
- struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
+ struct dirent *sys_dirent, *evt_dirent;
char id_buf[24];
int fd;
u64 id;
@@ -184,18 +184,18 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
if (!sys_dir)
return NULL;
- for_each_subsystem(sys_dir, sys_dirent, sys_next) {
+ for_each_subsystem(sys_dir, sys_dirent) {
snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
- sys_dirent.d_name);
+ sys_dirent->d_name);
evt_dir = opendir(dir_path);
if (!evt_dir)
continue;
- for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
+ for_each_event(sys_dirent, evt_dir, evt_dirent) {
snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
- evt_dirent.d_name);
+ evt_dirent->d_name);
fd = open(evt_path, O_RDONLY);
if (fd < 0)
continue;
@@ -220,9 +220,9 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
free(path);
return NULL;
}
- strncpy(path->system, sys_dirent.d_name,
+ strncpy(path->system, sys_dirent->d_name,
MAX_EVENT_LENGTH);
- strncpy(path->name, evt_dirent.d_name,
+ strncpy(path->name, evt_dirent->d_name,
MAX_EVENT_LENGTH);
return path;
}
@@ -1662,7 +1662,7 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
bool name_only)
{
DIR *sys_dir, *evt_dir;
- struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
+ struct dirent *sys_dirent, *evt_dirent;
char evt_path[MAXPATHLEN];
char dir_path[MAXPATHLEN];
char **evt_list = NULL;
@@ -1680,20 +1680,20 @@ restart:
goto out_close_sys_dir;
}
- for_each_subsystem(sys_dir, sys_dirent, sys_next) {
+ for_each_subsystem(sys_dir, sys_dirent) {
if (subsys_glob != NULL &&
- !strglobmatch(sys_dirent.d_name, subsys_glob))
+ !strglobmatch(sys_dirent->d_name, subsys_glob))
continue;
snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
- sys_dirent.d_name);
+ sys_dirent->d_name);
evt_dir = opendir(dir_path);
if (!evt_dir)
continue;
- for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
+ for_each_event(sys_dirent, evt_dir, evt_dirent) {
if (event_glob != NULL &&
- !strglobmatch(evt_dirent.d_name, event_glob))
+ !strglobmatch(evt_dirent->d_name, event_glob))
continue;
if (!evt_num_known) {
@@ -1702,7 +1702,7 @@ restart:
}
snprintf(evt_path, MAXPATHLEN, "%s:%s",
- sys_dirent.d_name, evt_dirent.d_name);
+ sys_dirent->d_name, evt_dirent->d_name);
evt_list[evt_i] = strdup(evt_path);
if (evt_list[evt_i] == NULL)
@@ -1755,7 +1755,7 @@ out_close_sys_dir:
int is_valid_tracepoint(const char *event_string)
{
DIR *sys_dir, *evt_dir;
- struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
+ struct dirent *sys_dirent, *evt_dirent;
char evt_path[MAXPATHLEN];
char dir_path[MAXPATHLEN];
@@ -1763,17 +1763,17 @@ int is_valid_tracepoint(const char *event_string)
if (!sys_dir)
return 0;
- for_each_subsystem(sys_dir, sys_dirent, sys_next) {
+ for_each_subsystem(sys_dir, sys_dirent) {
snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
- sys_dirent.d_name);
+ sys_dirent->d_name);
evt_dir = opendir(dir_path);
if (!evt_dir)
continue;
- for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
+ for_each_event(sys_dirent, evt_dir, evt_dirent) {
snprintf(evt_path, MAXPATHLEN, "%s:%s",
- sys_dirent.d_name, evt_dirent.d_name);
+ sys_dirent->d_name, evt_dirent->d_name);
if (!strcmp(evt_path, event_string)) {
closedir(evt_dir);
closedir(sys_dir);
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 6f2a0279476c..593066c68e3d 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -153,7 +153,7 @@ static int perf_pmu__parse_unit(struct perf_pmu_alias *alias, char *dir, char *n
if (fd == -1)
return -1;
- sret = read(fd, alias->unit, UNIT_MAX_LEN);
+ sret = read(fd, alias->unit, UNIT_MAX_LEN);
if (sret < 0)
goto error;
diff --git a/tools/perf/util/scripting-engines/Build b/tools/perf/util/scripting-engines/Build
index 6516e220c247..82d28c67e0f3 100644
--- a/tools/perf/util/scripting-engines/Build
+++ b/tools/perf/util/scripting-engines/Build
@@ -1,6 +1,6 @@
libperf-$(CONFIG_LIBPERL) += trace-event-perl.o
libperf-$(CONFIG_LIBPYTHON) += trace-event-python.o
-CFLAGS_trace-event-perl.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow -Wno-undef -Wno-switch-default
+CFLAGS_trace-event-perl.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow -Wno-nested-externs -Wno-undef -Wno-switch-default
CFLAGS_trace-event-python.o += $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow
diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c
index bcae659b6546..efb53772e0ec 100644
--- a/tools/perf/util/strfilter.c
+++ b/tools/perf/util/strfilter.c
@@ -269,6 +269,7 @@ static int strfilter_node__sprint(struct strfilter_node *node, char *buf)
len = strfilter_node__sprint_pt(node->l, buf);
if (len < 0)
return len;
+ __fallthrough;
case '!':
if (buf) {
*(buf + len++) = *node->p;
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index fc8781de62db..accb7ece1d3c 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -21,6 +21,8 @@ s64 perf_atoll(const char *str)
case 'b': case 'B':
if (*p)
goto out_err;
+
+ __fallthrough;
case '\0':
return length;
default:
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 0a9ae8014729..829508a21448 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -227,7 +227,7 @@ void thread__find_cpumode_addr_location(struct thread *thread,
struct addr_location *al)
{
size_t i;
- const u8 const cpumodes[] = {
+ const u8 cpumodes[] = {
PERF_RECORD_MISC_USER,
PERF_RECORD_MISC_KERNEL,
PERF_RECORD_MISC_GUEST_USER,
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index 6ec3c5ca438f..4e666b95b87e 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -92,8 +92,8 @@ struct thread_map *thread_map__new_by_uid(uid_t uid)
{
DIR *proc;
int max_threads = 32, items, i;
- char path[256];
- struct dirent dirent, *next, **namelist = NULL;
+ char path[NAME_MAX + 1 + 6];
+ struct dirent *dirent, **namelist = NULL;
struct thread_map *threads = thread_map__alloc(max_threads);
if (threads == NULL)
@@ -106,16 +106,16 @@ struct thread_map *thread_map__new_by_uid(uid_t uid)
threads->nr = 0;
atomic_set(&threads->refcnt, 1);
- while (!readdir_r(proc, &dirent, &next) && next) {
+ while ((dirent = readdir(proc)) != NULL) {
char *end;
bool grow = false;
struct stat st;
- pid_t pid = strtol(dirent.d_name, &end, 10);
+ pid_t pid = strtol(dirent->d_name, &end, 10);
if (*end) /* only interested in proper numerical dirents */
continue;
- snprintf(path, sizeof(path), "/proc/%s", dirent.d_name);
+ snprintf(path, sizeof(path), "/proc/%s", dirent->d_name);
if (stat(path, &st) != 0)
continue;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 23:08:09 +0000