3 #include "run-command.h"
6 #include "json-writer.h"
7 #include "trace2/tr2_dst.h"
8 #include "trace2/tr2_sid.h"
9 #include "trace2/tr2_sysenv.h"
10 #include "trace2/tr2_tbuf.h"
11 #include "trace2/tr2_tgt.h"
12 #include "trace2/tr2_tls.h"
14 static struct tr2_dst tr2dst_perf = { TR2_SYSENV_PERF, 0, 0, 0, 0 };
17 * Use TR2_SYSENV_PERF_BRIEF to omit the "<time> <file>:<line>"
18 * fields from each line written to the builtin performance target.
20 * Unit tests may want to use this to help with testing.
22 static int tr2env_perf_be_brief;
24 #define TR2FMT_PERF_FL_WIDTH (28)
25 #define TR2FMT_PERF_MAX_EVENT_NAME (12)
26 #define TR2FMT_PERF_REPO_WIDTH (3)
27 #define TR2FMT_PERF_CATEGORY_WIDTH (12)
29 #define TR2_DOTS_BUFFER_SIZE (100)
30 #define TR2_INDENT (2)
31 #define TR2_INDENT_LENGTH(ctx) (((ctx)->nr_open_regions - 1) * TR2_INDENT)
33 static struct strbuf dots = STRBUF_INIT;
35 static int fn_init(void)
37 int want = tr2_dst_trace_want(&tr2dst_perf);
44 strbuf_addchars(&dots, '.', TR2_DOTS_BUFFER_SIZE);
46 brief = tr2_sysenv_get(TR2_SYSENV_PERF_BRIEF);
47 if (brief && *brief &&
48 ((want_brief = git_parse_maybe_bool(brief)) != -1))
49 tr2env_perf_be_brief = want_brief;
54 static void fn_term(void)
56 tr2_dst_trace_disable(&tr2dst_perf);
58 strbuf_release(&dots);
62 * Format trace line prefix in human-readable classic format for
63 * the performance target:
64 * "[<time> [<file>:<line>] <bar>] <nr_parents> <bar>
65 * <thread_name> <bar> <event_name> <bar> [<repo>] <bar>
66 * [<elapsed_absolute>] [<elapsed_relative>] <bar>
67 * [<category>] <bar> [<dots>] "
69 static void perf_fmt_prepare(const char *event_name,
70 struct tr2tls_thread_ctx *ctx, const char *file,
71 int line, const struct repository *repo,
72 uint64_t *p_us_elapsed_absolute,
73 uint64_t *p_us_elapsed_relative,
74 const char *category, struct strbuf *buf)
78 strbuf_setlen(buf, 0);
80 if (!tr2env_perf_be_brief) {
81 struct tr2_tbuf tb_now;
84 tr2_tbuf_local_time(&tb_now);
85 strbuf_addstr(buf, tb_now.buf);
86 strbuf_addch(buf, ' ');
88 fl_end_col = buf->len + TR2FMT_PERF_FL_WIDTH;
91 struct strbuf buf_fl = STRBUF_INIT;
93 strbuf_addf(&buf_fl, "%s:%d", file, line);
95 if (buf_fl.len <= TR2FMT_PERF_FL_WIDTH)
96 strbuf_addbuf(buf, &buf_fl);
98 size_t avail = TR2FMT_PERF_FL_WIDTH - 3;
99 strbuf_addstr(buf, "...");
101 &buf_fl.buf[buf_fl.len - avail],
105 strbuf_release(&buf_fl);
108 while (buf->len < fl_end_col)
109 strbuf_addch(buf, ' ');
111 strbuf_addstr(buf, " | ");
114 strbuf_addf(buf, "d%d | ", tr2_sid_depth());
115 strbuf_addf(buf, "%-*s | %-*s | ", TR2_MAX_THREAD_NAME,
116 ctx->thread_name.buf, TR2FMT_PERF_MAX_EVENT_NAME,
119 len = buf->len + TR2FMT_PERF_REPO_WIDTH;
121 strbuf_addf(buf, "r%d ", repo->trace2_repo_id);
122 while (buf->len < len)
123 strbuf_addch(buf, ' ');
124 strbuf_addstr(buf, " | ");
126 if (p_us_elapsed_absolute)
127 strbuf_addf(buf, "%9.6f | ",
128 ((double)(*p_us_elapsed_absolute)) / 1000000.0);
130 strbuf_addf(buf, "%9s | ", " ");
132 if (p_us_elapsed_relative)
133 strbuf_addf(buf, "%9.6f | ",
134 ((double)(*p_us_elapsed_relative)) / 1000000.0);
136 strbuf_addf(buf, "%9s | ", " ");
138 strbuf_addf(buf, "%-*.*s | ", TR2FMT_PERF_CATEGORY_WIDTH,
139 TR2FMT_PERF_CATEGORY_WIDTH, (category ? category : ""));
141 if (ctx->nr_open_regions > 0) {
142 int len_indent = TR2_INDENT_LENGTH(ctx);
143 while (len_indent > dots.len) {
144 strbuf_addbuf(buf, &dots);
145 len_indent -= dots.len;
147 strbuf_addf(buf, "%.*s", len_indent, dots.buf);
151 static void perf_io_write_fl(const char *file, int line, const char *event_name,
152 const struct repository *repo,
153 uint64_t *p_us_elapsed_absolute,
154 uint64_t *p_us_elapsed_relative,
155 const char *category,
156 const struct strbuf *buf_payload)
158 struct tr2tls_thread_ctx *ctx = tr2tls_get_self();
159 struct strbuf buf_line = STRBUF_INIT;
161 perf_fmt_prepare(event_name, ctx, file, line, repo,
162 p_us_elapsed_absolute, p_us_elapsed_relative, category,
164 strbuf_addbuf(&buf_line, buf_payload);
165 tr2_dst_write_line(&tr2dst_perf, &buf_line);
166 strbuf_release(&buf_line);
169 static void fn_version_fl(const char *file, int line)
171 const char *event_name = "version";
172 struct strbuf buf_payload = STRBUF_INIT;
174 strbuf_addstr(&buf_payload, git_version_string);
176 perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL,
178 strbuf_release(&buf_payload);
181 static void fn_start_fl(const char *file, int line,
182 uint64_t us_elapsed_absolute, const char **argv)
184 const char *event_name = "start";
185 struct strbuf buf_payload = STRBUF_INIT;
187 sq_append_quote_argv_pretty(&buf_payload, argv);
189 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
190 NULL, NULL, &buf_payload);
191 strbuf_release(&buf_payload);
194 static void fn_exit_fl(const char *file, int line, uint64_t us_elapsed_absolute,
197 const char *event_name = "exit";
198 struct strbuf buf_payload = STRBUF_INIT;
200 strbuf_addf(&buf_payload, "code:%d", code);
202 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
203 NULL, NULL, &buf_payload);
204 strbuf_release(&buf_payload);
207 static void fn_signal(uint64_t us_elapsed_absolute, int signo)
209 const char *event_name = "signal";
210 struct strbuf buf_payload = STRBUF_INIT;
212 strbuf_addf(&buf_payload, "signo:%d", signo);
214 perf_io_write_fl(__FILE__, __LINE__, event_name, NULL,
215 &us_elapsed_absolute, NULL, NULL, &buf_payload);
216 strbuf_release(&buf_payload);
219 static void fn_atexit(uint64_t us_elapsed_absolute, int code)
221 const char *event_name = "atexit";
222 struct strbuf buf_payload = STRBUF_INIT;
224 strbuf_addf(&buf_payload, "code:%d", code);
226 perf_io_write_fl(__FILE__, __LINE__, event_name, NULL,
227 &us_elapsed_absolute, NULL, NULL, &buf_payload);
228 strbuf_release(&buf_payload);
231 static void maybe_append_string_va(struct strbuf *buf, const char *fmt,
237 va_copy(copy_ap, ap);
238 strbuf_vaddf(buf, fmt, copy_ap);
244 static void fn_error_va_fl(const char *file, int line, const char *fmt,
247 const char *event_name = "error";
248 struct strbuf buf_payload = STRBUF_INIT;
250 maybe_append_string_va(&buf_payload, fmt, ap);
252 perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL,
254 strbuf_release(&buf_payload);
257 static void fn_command_path_fl(const char *file, int line, const char *pathname)
259 const char *event_name = "cmd_path";
260 struct strbuf buf_payload = STRBUF_INIT;
262 strbuf_addstr(&buf_payload, pathname);
264 perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL,
266 strbuf_release(&buf_payload);
269 static void fn_command_name_fl(const char *file, int line, const char *name,
270 const char *hierarchy)
272 const char *event_name = "cmd_name";
273 struct strbuf buf_payload = STRBUF_INIT;
275 strbuf_addstr(&buf_payload, name);
276 if (hierarchy && *hierarchy)
277 strbuf_addf(&buf_payload, " (%s)", hierarchy);
279 perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL,
281 strbuf_release(&buf_payload);
284 static void fn_command_mode_fl(const char *file, int line, const char *mode)
286 const char *event_name = "cmd_mode";
287 struct strbuf buf_payload = STRBUF_INIT;
289 strbuf_addstr(&buf_payload, mode);
291 perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL,
293 strbuf_release(&buf_payload);
296 static void fn_alias_fl(const char *file, int line, const char *alias,
299 const char *event_name = "alias";
300 struct strbuf buf_payload = STRBUF_INIT;
302 strbuf_addf(&buf_payload, "alias:%s argv:[", alias);
303 sq_append_quote_argv_pretty(&buf_payload, argv);
304 strbuf_addch(&buf_payload, ']');
306 perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL,
308 strbuf_release(&buf_payload);
311 static void fn_child_start_fl(const char *file, int line,
312 uint64_t us_elapsed_absolute,
313 const struct child_process *cmd)
315 const char *event_name = "child_start";
316 struct strbuf buf_payload = STRBUF_INIT;
318 if (cmd->trace2_hook_name) {
319 strbuf_addf(&buf_payload, "[ch%d] class:hook hook:%s",
320 cmd->trace2_child_id, cmd->trace2_hook_name);
322 const char *child_class =
323 cmd->trace2_child_class ? cmd->trace2_child_class : "?";
324 strbuf_addf(&buf_payload, "[ch%d] class:%s",
325 cmd->trace2_child_id, child_class);
329 strbuf_addstr(&buf_payload, " cd:");
330 sq_quote_buf_pretty(&buf_payload, cmd->dir);
333 strbuf_addstr(&buf_payload, " argv:[");
335 strbuf_addstr(&buf_payload, "git");
337 strbuf_addch(&buf_payload, ' ');
339 sq_append_quote_argv_pretty(&buf_payload, cmd->argv);
340 strbuf_addch(&buf_payload, ']');
342 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
343 NULL, NULL, &buf_payload);
344 strbuf_release(&buf_payload);
347 static void fn_child_exit_fl(const char *file, int line,
348 uint64_t us_elapsed_absolute, int cid, int pid,
349 int code, uint64_t us_elapsed_child)
351 const char *event_name = "child_exit";
352 struct strbuf buf_payload = STRBUF_INIT;
354 strbuf_addf(&buf_payload, "[ch%d] pid:%d code:%d", cid, pid, code);
356 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
357 &us_elapsed_child, NULL, &buf_payload);
358 strbuf_release(&buf_payload);
361 static void fn_thread_start_fl(const char *file, int line,
362 uint64_t us_elapsed_absolute)
364 const char *event_name = "thread_start";
365 struct strbuf buf_payload = STRBUF_INIT;
367 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
368 NULL, NULL, &buf_payload);
369 strbuf_release(&buf_payload);
372 static void fn_thread_exit_fl(const char *file, int line,
373 uint64_t us_elapsed_absolute,
374 uint64_t us_elapsed_thread)
376 const char *event_name = "thread_exit";
377 struct strbuf buf_payload = STRBUF_INIT;
379 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
380 &us_elapsed_thread, NULL, &buf_payload);
381 strbuf_release(&buf_payload);
384 static void fn_exec_fl(const char *file, int line, uint64_t us_elapsed_absolute,
385 int exec_id, const char *exe, const char **argv)
387 const char *event_name = "exec";
388 struct strbuf buf_payload = STRBUF_INIT;
390 strbuf_addf(&buf_payload, "id:%d ", exec_id);
391 strbuf_addstr(&buf_payload, "argv:[");
393 strbuf_addstr(&buf_payload, exe);
395 strbuf_addch(&buf_payload, ' ');
397 sq_append_quote_argv_pretty(&buf_payload, argv);
398 strbuf_addch(&buf_payload, ']');
400 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
401 NULL, NULL, &buf_payload);
402 strbuf_release(&buf_payload);
405 static void fn_exec_result_fl(const char *file, int line,
406 uint64_t us_elapsed_absolute, int exec_id,
409 const char *event_name = "exec_result";
410 struct strbuf buf_payload = STRBUF_INIT;
412 strbuf_addf(&buf_payload, "id:%d code:%d", exec_id, code);
414 strbuf_addf(&buf_payload, " err:%s", strerror(code));
416 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
417 NULL, NULL, &buf_payload);
418 strbuf_release(&buf_payload);
421 static void fn_param_fl(const char *file, int line, const char *param,
424 const char *event_name = "def_param";
425 struct strbuf buf_payload = STRBUF_INIT;
427 strbuf_addf(&buf_payload, "%s:%s", param, value);
429 perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL,
431 strbuf_release(&buf_payload);
434 static void fn_repo_fl(const char *file, int line,
435 const struct repository *repo)
437 const char *event_name = "def_repo";
438 struct strbuf buf_payload = STRBUF_INIT;
440 strbuf_addstr(&buf_payload, "worktree:");
441 sq_quote_buf_pretty(&buf_payload, repo->worktree);
443 perf_io_write_fl(file, line, event_name, repo, NULL, NULL, NULL,
445 strbuf_release(&buf_payload);
448 static void fn_region_enter_printf_va_fl(const char *file, int line,
449 uint64_t us_elapsed_absolute,
450 const char *category,
452 const struct repository *repo,
453 const char *fmt, va_list ap)
455 const char *event_name = "region_enter";
456 struct strbuf buf_payload = STRBUF_INIT;
459 strbuf_addf(&buf_payload, "label:%s", label);
461 strbuf_addch(&buf_payload, ' ');
462 maybe_append_string_va(&buf_payload, fmt, ap);
465 perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute,
466 NULL, category, &buf_payload);
467 strbuf_release(&buf_payload);
470 static void fn_region_leave_printf_va_fl(
471 const char *file, int line, uint64_t us_elapsed_absolute,
472 uint64_t us_elapsed_region, const char *category, const char *label,
473 const struct repository *repo, const char *fmt, va_list ap)
475 const char *event_name = "region_leave";
476 struct strbuf buf_payload = STRBUF_INIT;
479 strbuf_addf(&buf_payload, "label:%s", label);
481 strbuf_addch(&buf_payload, ' ' );
482 maybe_append_string_va(&buf_payload, fmt, ap);
485 perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute,
486 &us_elapsed_region, category, &buf_payload);
487 strbuf_release(&buf_payload);
490 static void fn_data_fl(const char *file, int line, uint64_t us_elapsed_absolute,
491 uint64_t us_elapsed_region, const char *category,
492 const struct repository *repo, const char *key,
495 const char *event_name = "data";
496 struct strbuf buf_payload = STRBUF_INIT;
498 strbuf_addf(&buf_payload, "%s:%s", key, value);
500 perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute,
501 &us_elapsed_region, category, &buf_payload);
502 strbuf_release(&buf_payload);
505 static void fn_data_json_fl(const char *file, int line,
506 uint64_t us_elapsed_absolute,
507 uint64_t us_elapsed_region, const char *category,
508 const struct repository *repo, const char *key,
509 const struct json_writer *value)
511 const char *event_name = "data_json";
512 struct strbuf buf_payload = STRBUF_INIT;
514 strbuf_addf(&buf_payload, "%s:%s", key, value->json.buf);
516 perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute,
517 &us_elapsed_region, category, &buf_payload);
518 strbuf_release(&buf_payload);
521 static void fn_printf_va_fl(const char *file, int line,
522 uint64_t us_elapsed_absolute, const char *fmt,
525 const char *event_name = "printf";
526 struct strbuf buf_payload = STRBUF_INIT;
528 maybe_append_string_va(&buf_payload, fmt, ap);
530 perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
531 NULL, NULL, &buf_payload);
532 strbuf_release(&buf_payload);
535 struct tr2_tgt tr2_tgt_perf = {
559 fn_region_enter_printf_va_fl,
560 fn_region_leave_printf_va_fl,