diff options
| -rw-r--r-- | tools/perf/tests/Build | 1 | ||||
| -rw-r--r-- | tools/perf/tests/builtin-test-list.c | 207 | ||||
| -rw-r--r-- | tools/perf/tests/builtin-test-list.h | 12 | ||||
| -rw-r--r-- | tools/perf/tests/builtin-test.c | 152 |
4 files changed, 238 insertions, 134 deletions
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index af2b37ef7c70..2064a640facb 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 perf-y += builtin-test.o +perf-y += builtin-test-list.o perf-y += parse-events.o perf-y += dso-data.o perf-y += attr.o diff --git a/tools/perf/tests/builtin-test-list.c b/tools/perf/tests/builtin-test-list.c new file mode 100644 index 000000000000..a65b9e547d82 --- /dev/null +++ b/tools/perf/tests/builtin-test-list.c @@ -0,0 +1,207 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <dirent.h> +#include <errno.h> +#include <fcntl.h> +#include <linux/ctype.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/zalloc.h> +#include <string.h> +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> +#include <subcmd/exec-cmd.h> +#include <subcmd/parse-options.h> +#include <sys/wait.h> +#include <sys/stat.h> +#include "builtin.h" +#include "builtin-test-list.h" +#include "color.h" +#include "debug.h" +#include "hist.h" +#include "intlist.h" +#include "string2.h" +#include "symbol.h" +#include "tests.h" +#include "util/rlimit.h" + + +/* + * As this is a singleton built once for the run of the process, there is + * no value in trying to free it and just let it stay around until process + * exits when it's cleaned up. + */ +static size_t files_num = 0; +static struct script_file *files = NULL; +static int files_max_width = 0; + +static const char *shell_tests__dir(char *path, size_t size) +{ + const char *devel_dirs[] = { "./tools/perf/tests", "./tests", }; + char *exec_path; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(devel_dirs); ++i) { + struct stat st; + + if (!lstat(devel_dirs[i], &st)) { + scnprintf(path, size, "%s/shell", devel_dirs[i]); + if (!lstat(devel_dirs[i], &st)) + return path; + } + } + + /* Then installed path. */ + exec_path = get_argv_exec_path(); + scnprintf(path, size, "%s/tests/shell", exec_path); + free(exec_path); + return path; +} + +static const char *shell_test__description(char *description, size_t size, + const char *path, const char *name) +{ + FILE *fp; + char filename[PATH_MAX]; + int ch; + + path__join(filename, sizeof(filename), path, name); + fp = fopen(filename, "r"); + if (!fp) + return NULL; + + /* Skip first line - should be #!/bin/sh Shebang */ + do { + ch = fgetc(fp); + } while (ch != EOF && ch != '\n'); + + description = fgets(description, size, fp); + fclose(fp); + + /* Assume first char on line is omment everything after that desc */ + return description ? strim(description + 1) : NULL; +} + +/* Is this full file path a shell script */ +static bool is_shell_script(const char *path) +{ + const char *ext; + + ext = strrchr(path, '.'); + if (!ext) + return false; + if (!strcmp(ext, ".sh")) { /* Has .sh extension */ + if (access(path, R_OK | X_OK) == 0) /* Is executable */ + return true; + } + return false; +} + +/* Is this file in this dir a shell script (for test purposes) */ +static bool is_test_script(const char *path, const char *name) +{ + char filename[PATH_MAX]; + + path__join(filename, sizeof(filename), path, name); + if (!is_shell_script(filename)) return false; + return true; +} + +/* Duplicate a string and fall over and die if we run out of memory */ +static char *strdup_check(const char *str) +{ + char *newstr; + + newstr = strdup(str); + if (!newstr) { + pr_err("Out of memory while duplicating test script string\n"); + abort(); + } + return newstr; +} + +static void append_script(const char *dir, const char *file, const char *desc) +{ + struct script_file *files_tmp; + size_t files_num_tmp; + int width; + + files_num_tmp = files_num + 1; + if (files_num_tmp >= SIZE_MAX) { + pr_err("Too many script files\n"); + abort(); + } + /* Realloc is good enough, though we could realloc by chunks, not that + * anyone will ever measure performance here */ + files_tmp = realloc(files, + (files_num_tmp + 1) * sizeof(struct script_file)); + if (files_tmp == NULL) { + pr_err("Out of memory while building test list\n"); + abort(); + } + /* Add file to end and NULL terminate the struct array */ + files = files_tmp; + files_num = files_num_tmp; + files[files_num - 1].dir = strdup_check(dir); + files[files_num - 1].file = strdup_check(file); + files[files_num - 1].desc = strdup_check(desc); + files[files_num].dir = NULL; + files[files_num].file = NULL; + files[files_num].desc = NULL; + + width = strlen(desc); /* Track max width of desc */ + if (width > files_max_width) + files_max_width = width; +} + +static void append_scripts_in_dir(const char *path) +{ + struct dirent **entlist; + struct dirent *ent; + int n_dirs, i; + char filename[PATH_MAX]; + + /* List files, sorted by alpha */ + n_dirs = scandir(path, &entlist, NULL, alphasort); + if (n_dirs == -1) + return; + for (i = 0; i < n_dirs && (ent = entlist[i]); i++) { + if (ent->d_name[0] == '.') + continue; /* Skip hidden files */ + if (is_test_script(path, ent->d_name)) { /* It's a test */ + char bf[256]; + const char *desc = shell_test__description + (bf, sizeof(bf), path, ent->d_name); + + if (desc) /* It has a desc line - valid script */ + append_script(path, ent->d_name, desc); + } else if (is_directory(path, ent)) { /* Scan the subdir */ + path__join(filename, sizeof(filename), + path, ent->d_name); + append_scripts_in_dir(filename); + } + } + for (i = 0; i < n_dirs; i++) /* Clean up */ + zfree(&entlist[i]); + free(entlist); +} + +const struct script_file *list_script_files(void) +{ + char path_dir[PATH_MAX]; + const char *path; + + if (files) + return files; /* Singleton - we already know our list */ + + path = shell_tests__dir(path_dir, sizeof(path_dir)); /* Walk dir */ + append_scripts_in_dir(path); + + return files; +} + +int list_script_max_width(void) +{ + list_script_files(); /* Ensure we have scanned all scripts */ + return files_max_width; +} diff --git a/tools/perf/tests/builtin-test-list.h b/tools/perf/tests/builtin-test-list.h new file mode 100644 index 000000000000..eb81f3aa6683 --- /dev/null +++ b/tools/perf/tests/builtin-test-list.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +struct script_file { + char *dir; + char *file; + char *desc; +}; + +/* List available script tests to run - singleton - never freed */ +const struct script_file *list_script_files(void); +/* Get maximum width of description string */ +int list_script_max_width(void); diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 81cf241cd109..7122eae1d98d 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -28,6 +28,8 @@ #include <subcmd/exec-cmd.h> #include <linux/zalloc.h> +#include "builtin-test-list.h" + static bool dont_fork; struct test_suite *__weak arch_tests[] = { @@ -274,91 +276,6 @@ static int test_and_print(struct test_suite *t, int subtest) return err; } -static const char *shell_test__description(char *description, size_t size, - const char *path, const char *name) -{ - FILE *fp; - char filename[PATH_MAX]; - int ch; - - path__join(filename, sizeof(filename), path, name); - fp = fopen(filename, "r"); - if (!fp) - return NULL; - - /* Skip shebang */ - do { - ch = fgetc(fp); - } while (ch != EOF && ch != '\n'); - - description = fgets(description, size, fp); - fclose(fp); - - return description ? strim(description + 1) : NULL; -} - -#define for_each_shell_test(entlist, nr, base, ent) \ - for (int __i = 0; __i < nr && (ent = entlist[__i]); __i++) \ - if (!is_directory(base, ent) && \ - is_executable_file(base, ent) && \ - ent->d_name[0] != '.') - -static const char *shell_tests__dir(char *path, size_t size) -{ - const char *devel_dirs[] = { "./tools/perf/tests", "./tests", }; - char *exec_path; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(devel_dirs); ++i) { - struct stat st; - if (!lstat(devel_dirs[i], &st)) { - scnprintf(path, size, "%s/shell", devel_dirs[i]); - if (!lstat(devel_dirs[i], &st)) - return path; - } - } - - /* Then installed path. */ - exec_path = get_argv_exec_path(); - scnprintf(path, size, "%s/tests/shell", exec_path); - free(exec_path); - return path; -} - -static int shell_tests__max_desc_width(void) -{ - struct dirent **entlist; - struct dirent *ent; - int n_dirs, e; - char path_dir[PATH_MAX]; - const char *path = shell_tests__dir(path_dir, sizeof(path_dir)); - int width = 0; - - if (path == NULL) - return -1; - - n_dirs = scandir(path, &entlist, NULL, alphasort); - if (n_dirs == -1) - return -1; - - for_each_shell_test(entlist, n_dirs, path, ent) { - char bf[256]; - const char *desc = shell_test__description(bf, sizeof(bf), path, ent->d_name); - - if (desc) { - int len = strlen(desc); - - if (width < len) - width = len; - } - } - - for (e = 0; e < n_dirs; e++) - zfree(&entlist[e]); - free(entlist); - return width; -} - struct shell_test { const char *dir; const char *file; @@ -385,33 +302,17 @@ static int shell_test__run(struct test_suite *test, int subdir __maybe_unused) static int run_shell_tests(int argc, const char *argv[], int i, int width, struct intlist *skiplist) { - struct dirent **entlist; - struct dirent *ent; - int n_dirs, e; - char path_dir[PATH_MAX]; - struct shell_test st = { - .dir = shell_tests__dir(path_dir, sizeof(path_dir)), - }; - - if (st.dir == NULL) - return -1; + struct shell_test st; + const struct script_file *files, *file; - n_dirs = scandir(st.dir, &entlist, NULL, alphasort); - if (n_dirs == -1) { - pr_err("failed to open shell test directory: %s\n", - st.dir); - return -1; - } - - for_each_shell_test(entlist, n_dirs, st.dir, ent) { + files = list_script_files(); + if (!files) + return 0; + for (file = files; file->dir; file++) { int curr = i++; - char desc[256]; struct test_case test_cases[] = { { - .desc = shell_test__description(desc, - sizeof(desc), - st.dir, - ent->d_name), + .desc = file->desc, .run_case = shell_test__run, }, { .name = NULL, } @@ -421,12 +322,13 @@ static int run_shell_tests(int argc, const char *argv[], int i, int width, .test_cases = test_cases, .priv = &st, }; + st.dir = file->dir; if (test_suite.desc == NULL || !perf_test__matches(test_suite.desc, curr, argc, argv)) continue; - st.file = ent->d_name; + st.file = file->file; pr_info("%3d: %-*s:", i, width, test_suite.desc); if (intlist__find(skiplist, i)) { @@ -436,10 +338,6 @@ static int run_shell_tests(int argc, const char *argv[], int i, int width, test_and_print(&test_suite, 0); } - - for (e = 0; e < n_dirs; e++) - zfree(&entlist[e]); - free(entlist); return 0; } @@ -448,7 +346,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) struct test_suite *t; unsigned int j, k; int i = 0; - int width = shell_tests__max_desc_width(); + int width = list_script_max_width(); for_each_test(j, k, t) { int len = strlen(test_description(t, -1)); @@ -529,36 +427,22 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) static int perf_test__list_shell(int argc, const char **argv, int i) { - struct dirent **entlist; - struct dirent *ent; - int n_dirs, e; - char path_dir[PATH_MAX]; - const char *path = shell_tests__dir(path_dir, sizeof(path_dir)); - - if (path == NULL) - return -1; + const struct script_file *files, *file; - n_dirs = scandir(path, &entlist, NULL, alphasort); - if (n_dirs == -1) - return -1; - - for_each_shell_test(entlist, n_dirs, path, ent) { + files = list_script_files(); + if (!files) + return 0; + for (file = files; file->dir; file++) { int curr = i++; - char bf[256]; struct test_suite t = { - .desc = shell_test__description(bf, sizeof(bf), path, ent->d_name), + .desc = file->desc }; if (!perf_test__matches(t.desc, curr, argc, argv)) continue; pr_info("%3d: %s\n", i, t.desc); - } - - for (e = 0; e < n_dirs; e++) - zfree(&entlist[e]); - free(entlist); return 0; } |