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Message-Id: <20241109061809.811922-8-irogers@google.com>
Date: Fri, 8 Nov 2024 22:17:54 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
Kan Liang <kan.liang@...ux.intel.com>, James Clark <james.clark@...aro.org>,
Howard Chu <howardchu95@...il.com>, Athira Jajeev <atrajeev@...ux.vnet.ibm.com>,
Michael Petlan <mpetlan@...hat.com>, Veronika Molnarova <vmolnaro@...hat.com>,
Dapeng Mi <dapeng1.mi@...ux.intel.com>, Thomas Richter <tmricht@...ux.ibm.com>,
Ilya Leoshkevich <iii@...ux.ibm.com>, Colin Ian King <colin.i.king@...il.com>,
Weilin Wang <weilin.wang@...el.com>, Andi Kleen <ak@...ux.intel.com>,
Josh Poimboeuf <jpoimboe@...hat.com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org
Subject: [PATCH v6 07/22] perf script: Move find_scripts to browser/scripts.c
The only use of find_scripts is in browser/scripts.c but the
definition in builtin causes linking problems requiring a stub in
python.c. Move the function to allow the stub to be removed.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/builtin-script.c | 171 -----------------------------
tools/perf/builtin.h | 6 --
tools/perf/ui/browsers/scripts.c | 177 ++++++++++++++++++++++++++++++-
tools/perf/util/python.c | 6 --
4 files changed, 175 insertions(+), 185 deletions(-)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index e20d55b8a741..e9ec74056f71 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3521,177 +3521,6 @@ static void free_dlarg(void)
free(dlargv);
}
-/*
- * Some scripts specify the required events in their "xxx-record" file,
- * this function will check if the events in perf.data match those
- * mentioned in the "xxx-record".
- *
- * Fixme: All existing "xxx-record" are all in good formats "-e event ",
- * which is covered well now. And new parsing code should be added to
- * cover the future complex formats like event groups etc.
- */
-static int check_ev_match(int dir_fd, const char *scriptname, struct perf_session *session)
-{
- char line[BUFSIZ];
- FILE *fp;
-
- {
- char filename[FILENAME_MAX + 5];
- int fd;
-
- scnprintf(filename, sizeof(filename), "bin/%s-record", scriptname);
- fd = openat(dir_fd, filename, O_RDONLY);
- if (fd == -1)
- return -1;
- fp = fdopen(fd, "r");
- if (!fp)
- return -1;
- }
-
- while (fgets(line, sizeof(line), fp)) {
- char *p = skip_spaces(line);
-
- if (*p == '#')
- continue;
-
- while (strlen(p)) {
- int match, len;
- struct evsel *pos;
- char evname[128];
-
- p = strstr(p, "-e");
- if (!p)
- break;
-
- p += 2;
- p = skip_spaces(p);
- len = strcspn(p, " \t");
- if (!len)
- break;
-
- snprintf(evname, len + 1, "%s", p);
-
- match = 0;
- evlist__for_each_entry(session->evlist, pos) {
- if (evsel__name_is(pos, evname)) {
- match = 1;
- break;
- }
- }
-
- if (!match) {
- fclose(fp);
- return -1;
- }
- }
- }
-
- fclose(fp);
- return 0;
-}
-
-/*
- * Return -1 if none is found, otherwise the actual scripts number.
- *
- * Currently the only user of this function is the script browser, which
- * will list all statically runnable scripts, select one, execute it and
- * show the output in a perf browser.
- */
-int find_scripts(char **scripts_array, char **scripts_path_array, int num,
- int pathlen)
-{
- struct dirent *script_dirent, *lang_dirent;
- int scripts_dir_fd, lang_dir_fd;
- DIR *scripts_dir, *lang_dir;
- struct perf_session *session;
- struct perf_data data = {
- .path = input_name,
- .mode = PERF_DATA_MODE_READ,
- };
- char *temp;
- int i = 0;
- const char *exec_path = get_argv_exec_path();
-
- session = perf_session__new(&data, NULL);
- if (IS_ERR(session))
- return PTR_ERR(session);
-
- {
- char scripts_path[PATH_MAX];
-
- snprintf(scripts_path, sizeof(scripts_path), "%s/scripts", exec_path);
- scripts_dir_fd = open(scripts_path, O_DIRECTORY);
- pr_err("Failed to open directory '%s'", scripts_path);
- if (scripts_dir_fd == -1) {
- perf_session__delete(session);
- return -1;
- }
- }
- scripts_dir = fdopendir(scripts_dir_fd);
- if (!scripts_dir) {
- close(scripts_dir_fd);
- perf_session__delete(session);
- return -1;
- }
-
- while ((lang_dirent = readdir(scripts_dir)) != NULL) {
- if (lang_dirent->d_type != DT_DIR &&
- (lang_dirent->d_type == DT_UNKNOWN &&
- !is_directory_at(scripts_dir_fd, lang_dirent->d_name)))
- continue;
- if (!strcmp(lang_dirent->d_name, ".") || !strcmp(lang_dirent->d_name, ".."))
- continue;
-
-#ifndef HAVE_LIBPERL_SUPPORT
- if (strstr(lang_dirent->d_name, "perl"))
- continue;
-#endif
-#ifndef HAVE_LIBPYTHON_SUPPORT
- if (strstr(lang_dirent->d_name, "python"))
- continue;
-#endif
-
- lang_dir_fd = openat(scripts_dir_fd, lang_dirent->d_name, O_DIRECTORY);
- if (lang_dir_fd == -1)
- continue;
- lang_dir = fdopendir(lang_dir_fd);
- if (!lang_dir) {
- close(lang_dir_fd);
- continue;
- }
- while ((script_dirent = readdir(lang_dir)) != NULL) {
- if (script_dirent->d_type == DT_DIR)
- continue;
- if (script_dirent->d_type == DT_UNKNOWN &&
- is_directory_at(lang_dir_fd, script_dirent->d_name))
- continue;
- /* Skip those real time scripts: xxxtop.p[yl] */
- if (strstr(script_dirent->d_name, "top."))
- continue;
- if (i >= num)
- break;
- scnprintf(scripts_path_array[i], pathlen, "%s/scripts/%s/%s",
- exec_path,
- lang_dirent->d_name,
- script_dirent->d_name);
- temp = strchr(script_dirent->d_name, '.');
- snprintf(scripts_array[i],
- (temp - script_dirent->d_name) + 1,
- "%s", script_dirent->d_name);
-
- if (check_ev_match(lang_dir_fd, scripts_array[i], session))
- continue;
-
- i++;
- }
- closedir(lang_dir);
- }
-
- closedir(scripts_dir);
- perf_session__delete(session);
- return i;
-}
-
static char *get_script_path(const char *script_root, const char *suffix)
{
struct dirent *script_dirent, *lang_dirent;
diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h
index 94f4b3769bf7..a07e93c53848 100644
--- a/tools/perf/builtin.h
+++ b/tools/perf/builtin.h
@@ -2,10 +2,6 @@
#ifndef BUILTIN_H
#define BUILTIN_H
-#include <stddef.h>
-#include <linux/compiler.h>
-#include <tools/config.h>
-
struct feature_status {
const char *name;
const char *macro;
@@ -56,6 +52,4 @@ int cmd_ftrace(int argc, const char **argv);
int cmd_daemon(int argc, const char **argv);
int cmd_kwork(int argc, const char **argv);
-int find_scripts(char **scripts_array, char **scripts_path_array, int num,
- int pathlen);
#endif
diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c
index e437d7889de6..2d04ece833aa 100644
--- a/tools/perf/ui/browsers/scripts.c
+++ b/tools/perf/ui/browsers/scripts.c
@@ -1,16 +1,18 @@
// SPDX-License-Identifier: GPL-2.0
-#include "../../builtin.h"
-#include "../../perf.h"
#include "../../util/util.h" // perf_exe()
#include "../util.h"
+#include "../../util/evlist.h"
#include "../../util/hist.h"
#include "../../util/debug.h"
+#include "../../util/session.h"
#include "../../util/symbol.h"
#include "../browser.h"
#include "../libslang.h"
#include "config.h"
+#include <linux/err.h>
#include <linux/string.h>
#include <linux/zalloc.h>
+#include <subcmd/exec-cmd.h>
#include <stdlib.h>
#define SCRIPT_NAMELEN 128
@@ -77,6 +79,177 @@ static int scripts_config(const char *var, const char *value, void *data)
return 0;
}
+/*
+ * Some scripts specify the required events in their "xxx-record" file,
+ * this function will check if the events in perf.data match those
+ * mentioned in the "xxx-record".
+ *
+ * Fixme: All existing "xxx-record" are all in good formats "-e event ",
+ * which is covered well now. And new parsing code should be added to
+ * cover the future complex formats like event groups etc.
+ */
+static int check_ev_match(int dir_fd, const char *scriptname, struct perf_session *session)
+{
+ char line[BUFSIZ];
+ FILE *fp;
+
+ {
+ char filename[FILENAME_MAX + 5];
+ int fd;
+
+ scnprintf(filename, sizeof(filename), "bin/%s-record", scriptname);
+ fd = openat(dir_fd, filename, O_RDONLY);
+ if (fd == -1)
+ return -1;
+ fp = fdopen(fd, "r");
+ if (!fp)
+ return -1;
+ }
+
+ while (fgets(line, sizeof(line), fp)) {
+ char *p = skip_spaces(line);
+
+ if (*p == '#')
+ continue;
+
+ while (strlen(p)) {
+ int match, len;
+ struct evsel *pos;
+ char evname[128];
+
+ p = strstr(p, "-e");
+ if (!p)
+ break;
+
+ p += 2;
+ p = skip_spaces(p);
+ len = strcspn(p, " \t");
+ if (!len)
+ break;
+
+ snprintf(evname, len + 1, "%s", p);
+
+ match = 0;
+ evlist__for_each_entry(session->evlist, pos) {
+ if (evsel__name_is(pos, evname)) {
+ match = 1;
+ break;
+ }
+ }
+
+ if (!match) {
+ fclose(fp);
+ return -1;
+ }
+ }
+ }
+
+ fclose(fp);
+ return 0;
+}
+
+/*
+ * Return -1 if none is found, otherwise the actual scripts number.
+ *
+ * Currently the only user of this function is the script browser, which
+ * will list all statically runnable scripts, select one, execute it and
+ * show the output in a perf browser.
+ */
+static int find_scripts(char **scripts_array, char **scripts_path_array, int num,
+ int pathlen)
+{
+ struct dirent *script_dirent, *lang_dirent;
+ int scripts_dir_fd, lang_dir_fd;
+ DIR *scripts_dir, *lang_dir;
+ struct perf_session *session;
+ struct perf_data data = {
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
+ };
+ char *temp;
+ int i = 0;
+ const char *exec_path = get_argv_exec_path();
+
+ session = perf_session__new(&data, NULL);
+ if (IS_ERR(session))
+ return PTR_ERR(session);
+
+ {
+ char scripts_path[PATH_MAX];
+
+ snprintf(scripts_path, sizeof(scripts_path), "%s/scripts", exec_path);
+ scripts_dir_fd = open(scripts_path, O_DIRECTORY);
+ pr_err("Failed to open directory '%s'", scripts_path);
+ if (scripts_dir_fd == -1) {
+ perf_session__delete(session);
+ return -1;
+ }
+ }
+ scripts_dir = fdopendir(scripts_dir_fd);
+ if (!scripts_dir) {
+ close(scripts_dir_fd);
+ perf_session__delete(session);
+ return -1;
+ }
+
+ while ((lang_dirent = readdir(scripts_dir)) != NULL) {
+ if (lang_dirent->d_type != DT_DIR &&
+ (lang_dirent->d_type == DT_UNKNOWN &&
+ !is_directory_at(scripts_dir_fd, lang_dirent->d_name)))
+ continue;
+ if (!strcmp(lang_dirent->d_name, ".") || !strcmp(lang_dirent->d_name, ".."))
+ continue;
+
+#ifndef HAVE_LIBPERL_SUPPORT
+ if (strstr(lang_dirent->d_name, "perl"))
+ continue;
+#endif
+#ifndef HAVE_LIBPYTHON_SUPPORT
+ if (strstr(lang_dirent->d_name, "python"))
+ continue;
+#endif
+
+ lang_dir_fd = openat(scripts_dir_fd, lang_dirent->d_name, O_DIRECTORY);
+ if (lang_dir_fd == -1)
+ continue;
+ lang_dir = fdopendir(lang_dir_fd);
+ if (!lang_dir) {
+ close(lang_dir_fd);
+ continue;
+ }
+ while ((script_dirent = readdir(lang_dir)) != NULL) {
+ if (script_dirent->d_type == DT_DIR)
+ continue;
+ if (script_dirent->d_type == DT_UNKNOWN &&
+ is_directory_at(lang_dir_fd, script_dirent->d_name))
+ continue;
+ /* Skip those real time scripts: xxxtop.p[yl] */
+ if (strstr(script_dirent->d_name, "top."))
+ continue;
+ if (i >= num)
+ break;
+ scnprintf(scripts_path_array[i], pathlen, "%s/scripts/%s/%s",
+ exec_path,
+ lang_dirent->d_name,
+ script_dirent->d_name);
+ temp = strchr(script_dirent->d_name, '.');
+ snprintf(scripts_array[i],
+ (temp - script_dirent->d_name) + 1,
+ "%s", script_dirent->d_name);
+
+ if (check_ev_match(lang_dir_fd, scripts_array[i], session))
+ continue;
+
+ i++;
+ }
+ closedir(lang_dir);
+ }
+
+ closedir(scripts_dir);
+ perf_session__delete(session);
+ return i;
+}
+
/*
* When success, will copy the full path of the selected script
* into the buffer pointed by script_name, and return 0.
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 94902652e371..eb15f3b6c4f5 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1307,12 +1307,6 @@ PyMODINIT_FUNC PyInit_perf(void)
/* The following are stubs to avoid dragging in builtin-* objects. */
/* TODO: move the code out of the builtin-* file into util. */
-int find_scripts(char **scripts_array __maybe_unused, char **scripts_path_array __maybe_unused,
- int num __maybe_unused, int pathlen __maybe_unused)
-{
- return -1;
-}
-
void perf_stat__set_no_csv_summary(int set __maybe_unused)
{
}
--
2.47.0.277.g8800431eea-goog
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