#include "util/cache.h"
#include "util/quote.h"
#include "util/run-command.h"
+#include "util/parse-events.h"
+#include "util/string.h"
+#include "util/debugfs.h"
const char perf_usage_string[] =
"perf [--version] [--help] COMMAND [ARGS]";
int val;
};
+static char debugfs_mntpt[MAXPATHLEN];
+
static int pager_command_config(const char *var, const char *value, void *data)
{
struct pager_config *c = data;
return c.val;
}
-static void commit_pager_choice(void) {
+static void commit_pager_choice(void)
+{
switch (use_pager) {
case 0:
setenv("PERF_PAGER", "cat", 1);
}
}
-static int handle_options(const char*** argv, int* argc, int* envchanged)
+static void set_debugfs_path(void)
+{
+ char *path;
+
+ path = getenv(PERF_DEBUGFS_ENVIRONMENT);
+ snprintf(debugfs_path, MAXPATHLEN, "%s/%s", path ?: debugfs_mntpt,
+ "tracing/events");
+}
+
+static int handle_options(const char ***argv, int *argc, int *envchanged)
{
int handled = 0;
/*
* Check remaining flags.
*/
- if (!prefixcmp(cmd, "--exec-path")) {
- cmd += 11;
+ if (!prefixcmp(cmd, CMD_EXEC_PATH)) {
+ cmd += strlen(CMD_EXEC_PATH);
if (*cmd == '=')
perf_set_argv_exec_path(cmd + 1);
else {
*envchanged = 1;
} else if (!strcmp(cmd, "--perf-dir")) {
if (*argc < 2) {
- fprintf(stderr, "No directory given for --perf-dir.\n" );
+ fprintf(stderr, "No directory given for --perf-dir.\n");
usage(perf_usage_string);
}
setenv(PERF_DIR_ENVIRONMENT, (*argv)[1], 1);
(*argv)++;
(*argc)--;
handled++;
- } else if (!prefixcmp(cmd, "--perf-dir=")) {
- setenv(PERF_DIR_ENVIRONMENT, cmd + 10, 1);
+ } else if (!prefixcmp(cmd, CMD_PERF_DIR)) {
+ setenv(PERF_DIR_ENVIRONMENT, cmd + strlen(CMD_PERF_DIR), 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--work-tree")) {
if (*argc < 2) {
- fprintf(stderr, "No directory given for --work-tree.\n" );
+ fprintf(stderr, "No directory given for --work-tree.\n");
usage(perf_usage_string);
}
setenv(PERF_WORK_TREE_ENVIRONMENT, (*argv)[1], 1);
*envchanged = 1;
(*argv)++;
(*argc)--;
- } else if (!prefixcmp(cmd, "--work-tree=")) {
- setenv(PERF_WORK_TREE_ENVIRONMENT, cmd + 12, 1);
+ } else if (!prefixcmp(cmd, CMD_WORK_TREE)) {
+ setenv(PERF_WORK_TREE_ENVIRONMENT, cmd + strlen(CMD_WORK_TREE), 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "--debugfs-dir")) {
+ if (*argc < 2) {
+ fprintf(stderr, "No directory given for --debugfs-dir.\n");
+ usage(perf_usage_string);
+ }
+ strncpy(debugfs_mntpt, (*argv)[1], MAXPATHLEN);
+ debugfs_mntpt[MAXPATHLEN - 1] = '\0';
+ if (envchanged)
+ *envchanged = 1;
+ (*argv)++;
+ (*argc)--;
+ } else if (!prefixcmp(cmd, CMD_DEBUGFS_DIR)) {
+ strncpy(debugfs_mntpt, cmd + strlen(CMD_DEBUGFS_DIR), MAXPATHLEN);
+ debugfs_mntpt[MAXPATHLEN - 1] = '\0';
if (envchanged)
*envchanged = 1;
} else {
{
int envchanged = 0, ret = 0, saved_errno = errno;
int count, option_count;
- const char** new_argv;
+ const char **new_argv;
const char *alias_command;
char *alias_string;
if (!strcmp(alias_command, new_argv[0]))
die("recursive alias: %s", alias_command);
- new_argv = realloc(new_argv, sizeof(char*) *
+ new_argv = realloc(new_argv, sizeof(char *) *
(count + *argcp + 1));
/* insert after command name */
- memcpy(new_argv + count, *argv + 1, sizeof(char*) * *argcp);
- new_argv[count+*argcp] = NULL;
+ memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
+ new_argv[count + *argcp] = NULL;
*argv = new_argv;
*argcp += count - 1;
if (use_pager == -1 && p->option & USE_PAGER)
use_pager = 1;
commit_pager_choice();
+ set_debugfs_path();
status = p->fn(argc, argv, prefix);
if (status)
{
const char *cmd = argv[0];
static struct cmd_struct commands[] = {
- { "help", cmd_help, 0 },
- { "list", cmd_list, 0 },
- { "record", cmd_record, 0 },
- { "report", cmd_report, 0 },
- { "stat", cmd_stat, 0 },
- { "top", cmd_top, 0 },
- { "annotate", cmd_annotate, 0 },
- { "version", cmd_version, 0 },
+ { "buildid-cache", cmd_buildid_cache, 0 },
+ { "buildid-list", cmd_buildid_list, 0 },
+ { "diff", cmd_diff, 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 },
+ { "trace", cmd_trace, 0 },
+ { "sched", cmd_sched, 0 },
+ { "probe", cmd_probe, 0 },
+ { "kmem", cmd_kmem, 0 },
+ { "lock", cmd_lock, 0 },
};
unsigned int i;
static const char ext[] = STRIP_EXTENSION;
return done_alias;
}
+/* mini /proc/mounts parser: searching for "^blah /mount/point debugfs" */
+static void get_debugfs_mntpt(void)
+{
+ const char *path = debugfs_mount(NULL);
+
+ if (path)
+ strncpy(debugfs_mntpt, path, sizeof(debugfs_mntpt));
+ else
+ debugfs_mntpt[0] = '\0';
+}
int main(int argc, const char **argv)
{
cmd = perf_extract_argv0_path(argv[0]);
if (!cmd)
cmd = "perf-help";
-
+ /* get debugfs mount point from /proc/mounts */
+ get_debugfs_mntpt();
/*
* "perf-xxxx" is the same as "perf xxxx", but we obviously:
*
argc--;
handle_options(&argv, &argc, NULL);
commit_pager_choice();
+ set_debugfs_path();
if (argc > 0) {
if (!prefixcmp(argv[0], "--"))
argv[0] += 2;
setup_path();
while (1) {
- static int done_help = 0;
- static int was_alias = 0;
+ static int done_help;
+ static int was_alias;
was_alias = run_argv(&argc, &argv);
if (errno != ENOENT)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff