trace2: use system/global config for default trace2 settings
[git/git.git] / trace2 / tr2_tgt_normal.c
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1#include "cache.h"
2#include "config.h"
3#include "run-command.h"
4#include "quote.h"
5#include "version.h"
6#include "trace2/tr2_dst.h"
bce9db6d 7#include "trace2/tr2_sysenv.h"
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8#include "trace2/tr2_tbuf.h"
9#include "trace2/tr2_tgt.h"
10#include "trace2/tr2_tls.h"
11
bce9db6d 12static struct tr2_dst tr2dst_normal = { TR2_SYSENV_NORMAL, 0, 0, 0 };
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13
14/*
bce9db6d 15 * Use the TR2_SYSENV_NORMAL_BRIEF setting to omit the "<time> <file>:<line>"
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16 * fields from each line written to the builtin normal target.
17 *
18 * Unit tests may want to use this to help with testing.
19 */
bce9db6d 20static int tr2env_normal_be_brief;
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21
22#define TR2FMT_NORMAL_FL_WIDTH (50)
23
24static int fn_init(void)
25{
26 int want = tr2_dst_trace_want(&tr2dst_normal);
27 int want_brief;
bce9db6d 28 const char *brief;
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29
30 if (!want)
31 return want;
32
bce9db6d 33 brief = tr2_sysenv_get(TR2_SYSENV_NORMAL_BRIEF);
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34 if (brief && *brief &&
35 ((want_brief = git_parse_maybe_bool(brief)) != -1))
bce9db6d 36 tr2env_normal_be_brief = want_brief;
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37
38 return want;
39}
40
41static void fn_term(void)
42{
43 tr2_dst_trace_disable(&tr2dst_normal);
44}
45
46static void normal_fmt_prepare(const char *file, int line, struct strbuf *buf)
47{
48 strbuf_setlen(buf, 0);
49
bce9db6d 50 if (!tr2env_normal_be_brief) {
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51 struct tr2_tbuf tb_now;
52
53 tr2_tbuf_local_time(&tb_now);
54 strbuf_addstr(buf, tb_now.buf);
55 strbuf_addch(buf, ' ');
56
57 if (file && *file)
58 strbuf_addf(buf, "%s:%d ", file, line);
59 while (buf->len < TR2FMT_NORMAL_FL_WIDTH)
60 strbuf_addch(buf, ' ');
61 }
62}
63
64static void normal_io_write_fl(const char *file, int line,
65 const struct strbuf *buf_payload)
66{
67 struct strbuf buf_line = STRBUF_INIT;
68
69 normal_fmt_prepare(file, line, &buf_line);
70 strbuf_addbuf(&buf_line, buf_payload);
71 tr2_dst_write_line(&tr2dst_normal, &buf_line);
72 strbuf_release(&buf_line);
73}
74
75static void fn_version_fl(const char *file, int line)
76{
77 struct strbuf buf_payload = STRBUF_INIT;
78
79 strbuf_addf(&buf_payload, "version %s", git_version_string);
80 normal_io_write_fl(file, line, &buf_payload);
81 strbuf_release(&buf_payload);
82}
83
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84static void fn_start_fl(const char *file, int line,
85 uint64_t us_elapsed_absolute, const char **argv)
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86{
87 struct strbuf buf_payload = STRBUF_INIT;
88
89 strbuf_addstr(&buf_payload, "start ");
90 sq_quote_argv_pretty(&buf_payload, argv);
91 normal_io_write_fl(file, line, &buf_payload);
92 strbuf_release(&buf_payload);
93}
94
95static void fn_exit_fl(const char *file, int line, uint64_t us_elapsed_absolute,
96 int code)
97{
98 struct strbuf buf_payload = STRBUF_INIT;
99 double elapsed = (double)us_elapsed_absolute / 1000000.0;
100
101 strbuf_addf(&buf_payload, "exit elapsed:%.6f code:%d", elapsed, code);
102 normal_io_write_fl(file, line, &buf_payload);
103 strbuf_release(&buf_payload);
104}
105
106static void fn_signal(uint64_t us_elapsed_absolute, int signo)
107{
108 struct strbuf buf_payload = STRBUF_INIT;
109 double elapsed = (double)us_elapsed_absolute / 1000000.0;
110
111 strbuf_addf(&buf_payload, "signal elapsed:%.6f code:%d", elapsed,
112 signo);
113 normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
114 strbuf_release(&buf_payload);
115}
116
117static void fn_atexit(uint64_t us_elapsed_absolute, int code)
118{
119 struct strbuf buf_payload = STRBUF_INIT;
120 double elapsed = (double)us_elapsed_absolute / 1000000.0;
121
122 strbuf_addf(&buf_payload, "atexit elapsed:%.6f code:%d", elapsed, code);
123 normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
124 strbuf_release(&buf_payload);
125}
126
127static void maybe_append_string_va(struct strbuf *buf, const char *fmt,
128 va_list ap)
129{
130 if (fmt && *fmt && ap) {
131 va_list copy_ap;
132
133 va_copy(copy_ap, ap);
134 strbuf_vaddf(buf, fmt, copy_ap);
135 va_end(copy_ap);
136 return;
137 }
138
139 if (fmt && *fmt) {
140 strbuf_addstr(buf, fmt);
141 return;
142 }
143}
144
145static void fn_error_va_fl(const char *file, int line, const char *fmt,
146 va_list ap)
147{
148 struct strbuf buf_payload = STRBUF_INIT;
149
150 strbuf_addstr(&buf_payload, "error ");
151 maybe_append_string_va(&buf_payload, fmt, ap);
152 normal_io_write_fl(file, line, &buf_payload);
153 strbuf_release(&buf_payload);
154}
155
156static void fn_command_path_fl(const char *file, int line, const char *pathname)
157{
158 struct strbuf buf_payload = STRBUF_INIT;
159
160 strbuf_addf(&buf_payload, "cmd_path %s", pathname);
161 normal_io_write_fl(file, line, &buf_payload);
162 strbuf_release(&buf_payload);
163}
164
165static void fn_command_name_fl(const char *file, int line, const char *name,
166 const char *hierarchy)
167{
168 struct strbuf buf_payload = STRBUF_INIT;
169
170 strbuf_addf(&buf_payload, "cmd_name %s", name);
171 if (hierarchy && *hierarchy)
172 strbuf_addf(&buf_payload, " (%s)", hierarchy);
173 normal_io_write_fl(file, line, &buf_payload);
174 strbuf_release(&buf_payload);
175}
176
177static void fn_command_mode_fl(const char *file, int line, const char *mode)
178{
179 struct strbuf buf_payload = STRBUF_INIT;
180
181 strbuf_addf(&buf_payload, "cmd_mode %s", mode);
182 normal_io_write_fl(file, line, &buf_payload);
183 strbuf_release(&buf_payload);
184}
185
186static void fn_alias_fl(const char *file, int line, const char *alias,
187 const char **argv)
188{
189 struct strbuf buf_payload = STRBUF_INIT;
190
191 strbuf_addf(&buf_payload, "alias %s ->", alias);
192 sq_quote_argv_pretty(&buf_payload, argv);
193 normal_io_write_fl(file, line, &buf_payload);
194 strbuf_release(&buf_payload);
195}
196
197static void fn_child_start_fl(const char *file, int line,
198 uint64_t us_elapsed_absolute,
199 const struct child_process *cmd)
200{
201 struct strbuf buf_payload = STRBUF_INIT;
202
203 strbuf_addf(&buf_payload, "child_start[%d] ", cmd->trace2_child_id);
204
205 if (cmd->dir) {
206 strbuf_addstr(&buf_payload, " cd");
207 sq_quote_buf_pretty(&buf_payload, cmd->dir);
208 strbuf_addstr(&buf_payload, "; ");
209 }
210
211 /*
212 * TODO if (cmd->env) { Consider dumping changes to environment. }
213 * See trace_add_env() in run-command.c as used by original trace.c
214 */
215
216 if (cmd->git_cmd)
217 strbuf_addstr(&buf_payload, "git");
218 sq_quote_argv_pretty(&buf_payload, cmd->argv);
219
220 normal_io_write_fl(file, line, &buf_payload);
221 strbuf_release(&buf_payload);
222}
223
224static void fn_child_exit_fl(const char *file, int line,
225 uint64_t us_elapsed_absolute, int cid, int pid,
226 int code, uint64_t us_elapsed_child)
227{
228 struct strbuf buf_payload = STRBUF_INIT;
229 double elapsed = (double)us_elapsed_child / 1000000.0;
230
231 strbuf_addf(&buf_payload, "child_exit[%d] pid:%d code:%d elapsed:%.6f",
232 cid, pid, code, elapsed);
233 normal_io_write_fl(file, line, &buf_payload);
234 strbuf_release(&buf_payload);
235}
236
237static void fn_exec_fl(const char *file, int line, uint64_t us_elapsed_absolute,
238 int exec_id, const char *exe, const char **argv)
239{
240 struct strbuf buf_payload = STRBUF_INIT;
241
242 strbuf_addf(&buf_payload, "exec[%d] ", exec_id);
243 if (exe)
244 strbuf_addstr(&buf_payload, exe);
245 sq_quote_argv_pretty(&buf_payload, argv);
246 normal_io_write_fl(file, line, &buf_payload);
247 strbuf_release(&buf_payload);
248}
249
250static void fn_exec_result_fl(const char *file, int line,
251 uint64_t us_elapsed_absolute, int exec_id,
252 int code)
253{
254 struct strbuf buf_payload = STRBUF_INIT;
255
256 strbuf_addf(&buf_payload, "exec_result[%d] code:%d", exec_id, code);
257 if (code > 0)
258 strbuf_addf(&buf_payload, " err:%s", strerror(code));
259 normal_io_write_fl(file, line, &buf_payload);
260 strbuf_release(&buf_payload);
261}
262
263static void fn_param_fl(const char *file, int line, const char *param,
264 const char *value)
265{
266 struct strbuf buf_payload = STRBUF_INIT;
267
268 strbuf_addf(&buf_payload, "def_param %s=%s", param, value);
269 normal_io_write_fl(file, line, &buf_payload);
270 strbuf_release(&buf_payload);
271}
272
273static void fn_repo_fl(const char *file, int line,
274 const struct repository *repo)
275{
276 struct strbuf buf_payload = STRBUF_INIT;
277
278 strbuf_addstr(&buf_payload, "worktree ");
279 sq_quote_buf_pretty(&buf_payload, repo->worktree);
280 normal_io_write_fl(file, line, &buf_payload);
281 strbuf_release(&buf_payload);
282}
283
284static void fn_printf_va_fl(const char *file, int line,
285 uint64_t us_elapsed_absolute, const char *fmt,
286 va_list ap)
287{
288 struct strbuf buf_payload = STRBUF_INIT;
289
290 maybe_append_string_va(&buf_payload, fmt, ap);
291 normal_io_write_fl(file, line, &buf_payload);
292 strbuf_release(&buf_payload);
293}
294
295struct tr2_tgt tr2_tgt_normal = {
296 &tr2dst_normal,
297
298 fn_init,
299 fn_term,
300
301 fn_version_fl,
302 fn_start_fl,
303 fn_exit_fl,
304 fn_signal,
305 fn_atexit,
306 fn_error_va_fl,
307 fn_command_path_fl,
308 fn_command_name_fl,
309 fn_command_mode_fl,
310 fn_alias_fl,
311 fn_child_start_fl,
312 fn_child_exit_fl,
313 NULL, /* thread_start */
314 NULL, /* thread_exit */
315 fn_exec_fl,
316 fn_exec_result_fl,
317 fn_param_fl,
318 fn_repo_fl,
319 NULL, /* region_enter */
320 NULL, /* region_leave */
321 NULL, /* data */
322 NULL, /* data_json */
323 fn_printf_va_fl,
324};