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Diffstat (limited to 'tools/perf/perf.c')
-rw-r--r--tools/perf/perf.c154
1 files changed, 101 insertions, 53 deletions
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 2b2e225a4d4..95c58fc1528 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -13,7 +13,8 @@
#include "util/quote.h"
#include "util/run-command.h"
#include "util/parse-events.h"
-#include "util/debugfs.h"
+#include <api/fs/debugfs.h>
+#include <pthread.h>
const char perf_usage_string[] =
"perf [--version] [--help] COMMAND [ARGS]";
@@ -23,6 +24,44 @@ const char perf_more_info_string[] =
int use_browser = -1;
static int use_pager = -1;
+const char *input_name;
+
+struct cmd_struct {
+ const char *cmd;
+ int (*fn)(int, const char **, const char *);
+ int option;
+};
+
+static struct cmd_struct commands[] = {
+ { "buildid-cache", cmd_buildid_cache, 0 },
+ { "buildid-list", cmd_buildid_list, 0 },
+ { "diff", cmd_diff, 0 },
+ { "evlist", cmd_evlist, 0 },
+ { "help", cmd_help, 0 },
+ { "list", cmd_list, 0 },
+ { "record", cmd_record, 0 },
+ { "report", cmd_report, 0 },
+ { "bench", cmd_bench, 0 },
+ { "stat", cmd_stat, 0 },
+ { "timechart", cmd_timechart, 0 },
+ { "top", cmd_top, 0 },
+ { "annotate", cmd_annotate, 0 },
+ { "version", cmd_version, 0 },
+ { "script", cmd_script, 0 },
+ { "sched", cmd_sched, 0 },
+#ifdef HAVE_LIBELF_SUPPORT
+ { "probe", cmd_probe, 0 },
+#endif
+ { "kmem", cmd_kmem, 0 },
+ { "lock", cmd_lock, 0 },
+ { "kvm", cmd_kvm, 0 },
+ { "test", cmd_test, 0 },
+#ifdef HAVE_LIBAUDIT_SUPPORT
+ { "trace", cmd_trace, 0 },
+#endif
+ { "inject", cmd_inject, 0 },
+ { "mem", cmd_mem, 0 },
+};
struct pager_config {
const char *cmd;
@@ -47,21 +86,26 @@ int check_pager_config(const char *cmd)
return c.val;
}
-static int tui_command_config(const char *var, const char *value, void *data)
+static int browser_command_config(const char *var, const char *value, void *data)
{
struct pager_config *c = data;
if (!prefixcmp(var, "tui.") && !strcmp(var + 4, c->cmd))
c->val = perf_config_bool(var, value);
+ if (!prefixcmp(var, "gtk.") && !strcmp(var + 4, c->cmd))
+ c->val = perf_config_bool(var, value) ? 2 : 0;
return 0;
}
-/* returns 0 for "no tui", 1 for "use tui", and -1 for "not specified" */
-static int check_tui_config(const char *cmd)
+/*
+ * returns 0 for "no tui", 1 for "use tui", 2 for "use gtk",
+ * and -1 for "not specified"
+ */
+static int check_browser_config(const char *cmd)
{
struct pager_config c;
c.cmd = cmd;
c.val = -1;
- perf_config(tui_command_config, &c);
+ perf_config(browser_command_config, &c);
return c.val;
}
@@ -150,16 +194,24 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
fprintf(stderr, "No directory given for --debugfs-dir.\n");
usage(perf_usage_string);
}
- debugfs_set_path((*argv)[1]);
+ perf_debugfs_set_path((*argv)[1]);
if (envchanged)
*envchanged = 1;
(*argv)++;
(*argc)--;
} else if (!prefixcmp(cmd, CMD_DEBUGFS_DIR)) {
- debugfs_set_path(cmd + strlen(CMD_DEBUGFS_DIR));
+ perf_debugfs_set_path(cmd + strlen(CMD_DEBUGFS_DIR));
fprintf(stderr, "dir: %s\n", debugfs_mountpoint);
if (envchanged)
*envchanged = 1;
+ } else if (!strcmp(cmd, "--list-cmds")) {
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(commands); i++) {
+ struct cmd_struct *p = commands+i;
+ printf("%s ", p->cmd);
+ }
+ exit(0);
} else {
fprintf(stderr, "Unknown option: %s\n", cmd);
usage(perf_usage_string);
@@ -245,12 +297,6 @@ const char perf_version_string[] = PERF_VERSION;
*/
#define NEED_WORK_TREE (1<<2)
-struct cmd_struct {
- const char *cmd;
- int (*fn)(int, const char **, const char *);
- int option;
-};
-
static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
{
int status;
@@ -262,7 +308,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
prefix = NULL; /* setup_perf_directory(); */
if (use_browser == -1)
- use_browser = check_tui_config(p->cmd);
+ use_browser = check_browser_config(p->cmd);
if (use_pager == -1 && p->option & RUN_SETUP)
use_pager = check_pager_config(p->cmd);
@@ -283,43 +329,28 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode))
return 0;
+ status = 1;
/* Check for ENOSPC and EIO errors.. */
- if (fflush(stdout))
- die("write failure on standard output: %s", strerror(errno));
- if (ferror(stdout))
- die("unknown write failure on standard output");
- if (fclose(stdout))
- die("close failed on standard output: %s", strerror(errno));
- return 0;
+ if (fflush(stdout)) {
+ fprintf(stderr, "write failure on standard output: %s", strerror(errno));
+ goto out;
+ }
+ if (ferror(stdout)) {
+ fprintf(stderr, "unknown write failure on standard output");
+ goto out;
+ }
+ if (fclose(stdout)) {
+ fprintf(stderr, "close failed on standard output: %s", strerror(errno));
+ goto out;
+ }
+ status = 0;
+out:
+ return status;
}
static void handle_internal_command(int argc, const char **argv)
{
const char *cmd = argv[0];
- static struct cmd_struct commands[] = {
- { "buildid-cache", cmd_buildid_cache, 0 },
- { "buildid-list", cmd_buildid_list, 0 },
- { "diff", cmd_diff, 0 },
- { "evlist", cmd_evlist, 0 },
- { "help", cmd_help, 0 },
- { "list", cmd_list, 0 },
- { "record", cmd_record, 0 },
- { "report", cmd_report, 0 },
- { "bench", cmd_bench, 0 },
- { "stat", cmd_stat, 0 },
- { "timechart", cmd_timechart, 0 },
- { "top", cmd_top, 0 },
- { "annotate", cmd_annotate, 0 },
- { "version", cmd_version, 0 },
- { "script", cmd_script, 0 },
- { "sched", cmd_sched, 0 },
- { "probe", cmd_probe, 0 },
- { "kmem", cmd_kmem, 0 },
- { "lock", cmd_lock, 0 },
- { "kvm", cmd_kvm, 0 },
- { "test", cmd_test, 0 },
- { "inject", cmd_inject, 0 },
- };
unsigned int i;
static const char ext[] = STRIP_EXTENSION;
@@ -425,11 +456,15 @@ int main(int argc, const char **argv)
{
const char *cmd;
+ /* The page_size is placed in util object. */
+ page_size = sysconf(_SC_PAGE_SIZE);
+ cacheline_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
+
cmd = perf_extract_argv0_path(argv[0]);
if (!cmd)
cmd = "perf-help";
/* get debugfs mount point from /proc/mounts */
- debugfs_mount(NULL);
+ perf_debugfs_mount(NULL);
/*
* "perf-xxxx" is the same as "perf xxxx", but we obviously:
*
@@ -444,9 +479,21 @@ int main(int argc, const char **argv)
cmd += 5;
argv[0] = cmd;
handle_internal_command(argc, argv);
- die("cannot handle %s internally", cmd);
+ fprintf(stderr, "cannot handle %s internally", cmd);
+ goto out;
+ }
+ if (!prefixcmp(cmd, "trace")) {
+#ifdef HAVE_LIBAUDIT_SUPPORT
+ set_buildid_dir();
+ setup_path();
+ argv[0] = "trace";
+ return cmd_trace(argc, argv, NULL);
+#else
+ fprintf(stderr,
+ "trace command not available: missing audit-libs devel package at build time.\n");
+ goto out;
+#endif
}
-
/* Look for flags.. */
argv++;
argc--;
@@ -462,10 +509,12 @@ int main(int argc, const char **argv)
printf("\n usage: %s\n\n", perf_usage_string);
list_common_cmds_help();
printf("\n %s\n\n", perf_more_info_string);
- exit(1);
+ goto out;
}
cmd = argv[0];
+ test_attr__init();
+
/*
* We use PATH to find perf commands, but we prepend some higher
* precedence paths: the "--exec-path" option, the PERF_EXEC_PATH
@@ -482,9 +531,8 @@ int main(int argc, const char **argv)
while (1) {
static int done_help;
- static int was_alias;
+ int was_alias = run_argv(&argc, &argv);
- was_alias = run_argv(&argc, &argv);
if (errno != ENOENT)
break;
@@ -492,7 +540,7 @@ int main(int argc, const char **argv)
fprintf(stderr, "Expansion of alias '%s' failed; "
"'%s' is not a perf-command\n",
cmd, argv[0]);
- exit(1);
+ goto out;
}
if (!done_help) {
cmd = argv[0] = help_unknown_cmd(cmd);
@@ -503,6 +551,6 @@ int main(int argc, const char **argv)
fprintf(stderr, "Failed to run command '%s': %s\n",
cmd, strerror(errno));
-
+out:
return 1;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:08:10 +0000