5b2d1c0c6e
Polishing of the new trace2 facility continues. The system-level configuration can specify site-wide trace2 settings, which can be overridden with per-user configuration and environment variables. * jh/trace2-sid-fix: trace2: fixup access problem on /etc/gitconfig in read_very_early_config trace2: update docs to describe system/global config settings trace2: make SIDs more unique trace2: clarify UTC datetime formatting trace2: report peak memory usage of the process trace2: use system/global config for default trace2 settings config: add read_very_early_config() trace2: find exec-dir before trace2 initialization trace2: add absolute elapsed time to start event trace2: refactor setting process starting time config: initialize opts structure in repo_read_config()
325 lines
8.2 KiB
C
325 lines
8.2 KiB
C
#include "cache.h"
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#include "config.h"
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#include "run-command.h"
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#include "quote.h"
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#include "version.h"
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#include "trace2/tr2_dst.h"
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#include "trace2/tr2_sysenv.h"
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#include "trace2/tr2_tbuf.h"
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#include "trace2/tr2_tgt.h"
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#include "trace2/tr2_tls.h"
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static struct tr2_dst tr2dst_normal = { TR2_SYSENV_NORMAL, 0, 0, 0 };
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/*
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* Use the TR2_SYSENV_NORMAL_BRIEF setting to omit the "<time> <file>:<line>"
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* fields from each line written to the builtin normal target.
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*
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* Unit tests may want to use this to help with testing.
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*/
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static int tr2env_normal_be_brief;
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#define TR2FMT_NORMAL_FL_WIDTH (50)
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static int fn_init(void)
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{
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int want = tr2_dst_trace_want(&tr2dst_normal);
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int want_brief;
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const char *brief;
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if (!want)
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return want;
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brief = tr2_sysenv_get(TR2_SYSENV_NORMAL_BRIEF);
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if (brief && *brief &&
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((want_brief = git_parse_maybe_bool(brief)) != -1))
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tr2env_normal_be_brief = want_brief;
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return want;
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}
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static void fn_term(void)
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{
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tr2_dst_trace_disable(&tr2dst_normal);
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}
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static void normal_fmt_prepare(const char *file, int line, struct strbuf *buf)
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{
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strbuf_setlen(buf, 0);
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if (!tr2env_normal_be_brief) {
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struct tr2_tbuf tb_now;
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tr2_tbuf_local_time(&tb_now);
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strbuf_addstr(buf, tb_now.buf);
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strbuf_addch(buf, ' ');
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if (file && *file)
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strbuf_addf(buf, "%s:%d ", file, line);
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while (buf->len < TR2FMT_NORMAL_FL_WIDTH)
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strbuf_addch(buf, ' ');
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}
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}
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static void normal_io_write_fl(const char *file, int line,
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const struct strbuf *buf_payload)
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{
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struct strbuf buf_line = STRBUF_INIT;
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normal_fmt_prepare(file, line, &buf_line);
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strbuf_addbuf(&buf_line, buf_payload);
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tr2_dst_write_line(&tr2dst_normal, &buf_line);
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strbuf_release(&buf_line);
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}
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static void fn_version_fl(const char *file, int line)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "version %s", git_version_string);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_start_fl(const char *file, int line,
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uint64_t us_elapsed_absolute, const char **argv)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addstr(&buf_payload, "start ");
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sq_quote_argv_pretty(&buf_payload, argv);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_exit_fl(const char *file, int line, uint64_t us_elapsed_absolute,
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int code)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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double elapsed = (double)us_elapsed_absolute / 1000000.0;
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strbuf_addf(&buf_payload, "exit elapsed:%.6f code:%d", elapsed, code);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_signal(uint64_t us_elapsed_absolute, int signo)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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double elapsed = (double)us_elapsed_absolute / 1000000.0;
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strbuf_addf(&buf_payload, "signal elapsed:%.6f code:%d", elapsed,
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signo);
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normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_atexit(uint64_t us_elapsed_absolute, int code)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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double elapsed = (double)us_elapsed_absolute / 1000000.0;
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strbuf_addf(&buf_payload, "atexit elapsed:%.6f code:%d", elapsed, code);
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normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void maybe_append_string_va(struct strbuf *buf, const char *fmt,
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va_list ap)
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{
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if (fmt && *fmt) {
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va_list copy_ap;
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va_copy(copy_ap, ap);
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strbuf_vaddf(buf, fmt, copy_ap);
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va_end(copy_ap);
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return;
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}
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if (fmt && *fmt) {
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strbuf_addstr(buf, fmt);
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return;
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}
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}
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static void fn_error_va_fl(const char *file, int line, const char *fmt,
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va_list ap)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addstr(&buf_payload, "error ");
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maybe_append_string_va(&buf_payload, fmt, ap);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_command_path_fl(const char *file, int line, const char *pathname)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "cmd_path %s", pathname);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_command_name_fl(const char *file, int line, const char *name,
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const char *hierarchy)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "cmd_name %s", name);
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if (hierarchy && *hierarchy)
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strbuf_addf(&buf_payload, " (%s)", hierarchy);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_command_mode_fl(const char *file, int line, const char *mode)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "cmd_mode %s", mode);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_alias_fl(const char *file, int line, const char *alias,
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const char **argv)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "alias %s ->", alias);
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sq_quote_argv_pretty(&buf_payload, argv);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_child_start_fl(const char *file, int line,
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uint64_t us_elapsed_absolute,
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const struct child_process *cmd)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "child_start[%d] ", cmd->trace2_child_id);
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if (cmd->dir) {
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strbuf_addstr(&buf_payload, " cd");
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sq_quote_buf_pretty(&buf_payload, cmd->dir);
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strbuf_addstr(&buf_payload, "; ");
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}
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/*
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* TODO if (cmd->env) { Consider dumping changes to environment. }
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* See trace_add_env() in run-command.c as used by original trace.c
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*/
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if (cmd->git_cmd)
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strbuf_addstr(&buf_payload, "git");
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sq_quote_argv_pretty(&buf_payload, cmd->argv);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_child_exit_fl(const char *file, int line,
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uint64_t us_elapsed_absolute, int cid, int pid,
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int code, uint64_t us_elapsed_child)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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double elapsed = (double)us_elapsed_child / 1000000.0;
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strbuf_addf(&buf_payload, "child_exit[%d] pid:%d code:%d elapsed:%.6f",
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cid, pid, code, elapsed);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_exec_fl(const char *file, int line, uint64_t us_elapsed_absolute,
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int exec_id, const char *exe, const char **argv)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "exec[%d] ", exec_id);
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if (exe)
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strbuf_addstr(&buf_payload, exe);
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sq_quote_argv_pretty(&buf_payload, argv);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_exec_result_fl(const char *file, int line,
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uint64_t us_elapsed_absolute, int exec_id,
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int code)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "exec_result[%d] code:%d", exec_id, code);
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if (code > 0)
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strbuf_addf(&buf_payload, " err:%s", strerror(code));
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_param_fl(const char *file, int line, const char *param,
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const char *value)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addf(&buf_payload, "def_param %s=%s", param, value);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_repo_fl(const char *file, int line,
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const struct repository *repo)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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strbuf_addstr(&buf_payload, "worktree ");
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sq_quote_buf_pretty(&buf_payload, repo->worktree);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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static void fn_printf_va_fl(const char *file, int line,
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uint64_t us_elapsed_absolute, const char *fmt,
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va_list ap)
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{
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struct strbuf buf_payload = STRBUF_INIT;
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maybe_append_string_va(&buf_payload, fmt, ap);
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normal_io_write_fl(file, line, &buf_payload);
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strbuf_release(&buf_payload);
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}
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struct tr2_tgt tr2_tgt_normal = {
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&tr2dst_normal,
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fn_init,
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fn_term,
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fn_version_fl,
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fn_start_fl,
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fn_exit_fl,
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fn_signal,
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fn_atexit,
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fn_error_va_fl,
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fn_command_path_fl,
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fn_command_name_fl,
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fn_command_mode_fl,
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fn_alias_fl,
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fn_child_start_fl,
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fn_child_exit_fl,
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NULL, /* thread_start */
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NULL, /* thread_exit */
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fn_exec_fl,
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fn_exec_result_fl,
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fn_param_fl,
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fn_repo_fl,
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NULL, /* region_enter */
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NULL, /* region_leave */
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NULL, /* data */
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NULL, /* data_json */
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fn_printf_va_fl,
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};
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