diff options
Diffstat (limited to 'third_party/git/trace2/tr2_tgt_perf.c')
| -rw-r--r-- | third_party/git/trace2/tr2_tgt_perf.c | 535 |
1 files changed, 0 insertions, 535 deletions
diff --git a/third_party/git/trace2/tr2_tgt_perf.c b/third_party/git/trace2/tr2_tgt_perf.c deleted file mode 100644 index ea0cbbe13e..0000000000 --- a/third_party/git/trace2/tr2_tgt_perf.c +++ /dev/null @@ -1,535 +0,0 @@ -#include "cache.h" -#include "config.h" -#include "run-command.h" -#include "quote.h" -#include "version.h" -#include "json-writer.h" -#include "trace2/tr2_dst.h" -#include "trace2/tr2_sid.h" -#include "trace2/tr2_sysenv.h" -#include "trace2/tr2_tbuf.h" -#include "trace2/tr2_tgt.h" -#include "trace2/tr2_tls.h" - -static struct tr2_dst tr2dst_perf = { TR2_SYSENV_PERF, 0, 0, 0 }; - -/* - * Use TR2_SYSENV_PERF_BRIEF to omit the "<time> <file>:<line>" - * fields from each line written to the builtin performance target. - * - * Unit tests may want to use this to help with testing. - */ -static int tr2env_perf_be_brief; - -#define TR2FMT_PERF_FL_WIDTH (50) -#define TR2FMT_PERF_MAX_EVENT_NAME (12) -#define TR2FMT_PERF_REPO_WIDTH (4) -#define TR2FMT_PERF_CATEGORY_WIDTH (10) - -#define TR2_DOTS_BUFFER_SIZE (100) -#define TR2_INDENT (2) -#define TR2_INDENT_LENGTH(ctx) (((ctx)->nr_open_regions - 1) * TR2_INDENT) - -static struct strbuf dots = STRBUF_INIT; - -static int fn_init(void) -{ - int want = tr2_dst_trace_want(&tr2dst_perf); - int want_brief; - const char *brief; - - if (!want) - return want; - - strbuf_addchars(&dots, '.', TR2_DOTS_BUFFER_SIZE); - - brief = tr2_sysenv_get(TR2_SYSENV_PERF_BRIEF); - if (brief && *brief && - ((want_brief = git_parse_maybe_bool(brief)) != -1)) - tr2env_perf_be_brief = want_brief; - - return want; -} - -static void fn_term(void) -{ - tr2_dst_trace_disable(&tr2dst_perf); - - strbuf_release(&dots); -} - -/* - * Format trace line prefix in human-readable classic format for - * the performance target: - * "[<time> [<file>:<line>] <bar>] <nr_parents> <bar> - * <thread_name> <bar> <event_name> <bar> [<repo>] <bar> - * [<elapsed_absolute>] [<elapsed_relative>] <bar> - * [<category>] <bar> [<dots>] " - */ -static void perf_fmt_prepare(const char *event_name, - struct tr2tls_thread_ctx *ctx, const char *file, - int line, const struct repository *repo, - uint64_t *p_us_elapsed_absolute, - uint64_t *p_us_elapsed_relative, - const char *category, struct strbuf *buf) -{ - int len; - - strbuf_setlen(buf, 0); - - if (!tr2env_perf_be_brief) { - struct tr2_tbuf tb_now; - - tr2_tbuf_local_time(&tb_now); - strbuf_addstr(buf, tb_now.buf); - strbuf_addch(buf, ' '); - - if (file && *file) - strbuf_addf(buf, "%s:%d ", file, line); - while (buf->len < TR2FMT_PERF_FL_WIDTH) - strbuf_addch(buf, ' '); - - strbuf_addstr(buf, "| "); - } - - strbuf_addf(buf, "d%d | ", tr2_sid_depth()); - strbuf_addf(buf, "%-*s | %-*s | ", TR2_MAX_THREAD_NAME, - ctx->thread_name.buf, TR2FMT_PERF_MAX_EVENT_NAME, - event_name); - - len = buf->len + TR2FMT_PERF_REPO_WIDTH; - if (repo) - strbuf_addf(buf, "r%d ", repo->trace2_repo_id); - while (buf->len < len) - strbuf_addch(buf, ' '); - strbuf_addstr(buf, "| "); - - if (p_us_elapsed_absolute) - strbuf_addf(buf, "%9.6f | ", - ((double)(*p_us_elapsed_absolute)) / 1000000.0); - else - strbuf_addf(buf, "%9s | ", " "); - - if (p_us_elapsed_relative) - strbuf_addf(buf, "%9.6f | ", - ((double)(*p_us_elapsed_relative)) / 1000000.0); - else - strbuf_addf(buf, "%9s | ", " "); - - strbuf_addf(buf, "%-*s | ", TR2FMT_PERF_CATEGORY_WIDTH, - (category ? category : "")); - - if (ctx->nr_open_regions > 0) { - int len_indent = TR2_INDENT_LENGTH(ctx); - while (len_indent > dots.len) { - strbuf_addbuf(buf, &dots); - len_indent -= dots.len; - } - strbuf_addf(buf, "%.*s", len_indent, dots.buf); - } -} - -static void perf_io_write_fl(const char *file, int line, const char *event_name, - const struct repository *repo, - uint64_t *p_us_elapsed_absolute, - uint64_t *p_us_elapsed_relative, - const char *category, - const struct strbuf *buf_payload) -{ - struct tr2tls_thread_ctx *ctx = tr2tls_get_self(); - struct strbuf buf_line = STRBUF_INIT; - - perf_fmt_prepare(event_name, ctx, file, line, repo, - p_us_elapsed_absolute, p_us_elapsed_relative, category, - &buf_line); - strbuf_addbuf(&buf_line, buf_payload); - tr2_dst_write_line(&tr2dst_perf, &buf_line); - strbuf_release(&buf_line); -} - -static void fn_version_fl(const char *file, int line) -{ - const char *event_name = "version"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addstr(&buf_payload, git_version_string); - - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_start_fl(const char *file, int line, - uint64_t us_elapsed_absolute, const char **argv) -{ - const char *event_name = "start"; - struct strbuf buf_payload = STRBUF_INIT; - - sq_quote_argv_pretty(&buf_payload, argv); - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_exit_fl(const char *file, int line, uint64_t us_elapsed_absolute, - int code) -{ - const char *event_name = "exit"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "code:%d", code); - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_signal(uint64_t us_elapsed_absolute, int signo) -{ - const char *event_name = "signal"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "signo:%d", signo); - - perf_io_write_fl(__FILE__, __LINE__, event_name, NULL, - &us_elapsed_absolute, NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_atexit(uint64_t us_elapsed_absolute, int code) -{ - const char *event_name = "atexit"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "code:%d", code); - - perf_io_write_fl(__FILE__, __LINE__, event_name, NULL, - &us_elapsed_absolute, NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void maybe_append_string_va(struct strbuf *buf, const char *fmt, - va_list ap) -{ - if (fmt && *fmt) { - va_list copy_ap; - - va_copy(copy_ap, ap); - strbuf_vaddf(buf, fmt, copy_ap); - va_end(copy_ap); - return; - } - - if (fmt && *fmt) { - strbuf_addstr(buf, fmt); - return; - } -} - -static void fn_error_va_fl(const char *file, int line, const char *fmt, - va_list ap) -{ - const char *event_name = "error"; - struct strbuf buf_payload = STRBUF_INIT; - - maybe_append_string_va(&buf_payload, fmt, ap); - - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_command_path_fl(const char *file, int line, const char *pathname) -{ - const char *event_name = "cmd_path"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addstr(&buf_payload, pathname); - - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_command_name_fl(const char *file, int line, const char *name, - const char *hierarchy) -{ - const char *event_name = "cmd_name"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addstr(&buf_payload, name); - if (hierarchy && *hierarchy) - strbuf_addf(&buf_payload, " (%s)", hierarchy); - - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_command_mode_fl(const char *file, int line, const char *mode) -{ - const char *event_name = "cmd_mode"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addstr(&buf_payload, mode); - - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_alias_fl(const char *file, int line, const char *alias, - const char **argv) -{ - const char *event_name = "alias"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "alias:%s argv:", alias); - sq_quote_argv_pretty(&buf_payload, argv); - - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_child_start_fl(const char *file, int line, - uint64_t us_elapsed_absolute, - const struct child_process *cmd) -{ - const char *event_name = "child_start"; - struct strbuf buf_payload = STRBUF_INIT; - - if (cmd->trace2_hook_name) { - strbuf_addf(&buf_payload, "[ch%d] class:hook hook:%s", - cmd->trace2_child_id, cmd->trace2_hook_name); - } else { - const char *child_class = - cmd->trace2_child_class ? cmd->trace2_child_class : "?"; - strbuf_addf(&buf_payload, "[ch%d] class:%s", - cmd->trace2_child_id, child_class); - } - - if (cmd->dir) { - strbuf_addstr(&buf_payload, " cd:"); - sq_quote_buf_pretty(&buf_payload, cmd->dir); - } - - strbuf_addstr(&buf_payload, " argv:"); - if (cmd->git_cmd) - strbuf_addstr(&buf_payload, " git"); - sq_quote_argv_pretty(&buf_payload, cmd->argv); - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_child_exit_fl(const char *file, int line, - uint64_t us_elapsed_absolute, int cid, int pid, - int code, uint64_t us_elapsed_child) -{ - const char *event_name = "child_exit"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "[ch%d] pid:%d code:%d", cid, pid, code); - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - &us_elapsed_child, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_thread_start_fl(const char *file, int line, - uint64_t us_elapsed_absolute) -{ - const char *event_name = "thread_start"; - struct strbuf buf_payload = STRBUF_INIT; - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_thread_exit_fl(const char *file, int line, - uint64_t us_elapsed_absolute, - uint64_t us_elapsed_thread) -{ - const char *event_name = "thread_exit"; - struct strbuf buf_payload = STRBUF_INIT; - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - &us_elapsed_thread, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_exec_fl(const char *file, int line, uint64_t us_elapsed_absolute, - int exec_id, const char *exe, const char **argv) -{ - const char *event_name = "exec"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "id:%d ", exec_id); - strbuf_addstr(&buf_payload, "argv:"); - if (exe) - strbuf_addf(&buf_payload, " %s", exe); - sq_quote_argv_pretty(&buf_payload, argv); - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_exec_result_fl(const char *file, int line, - uint64_t us_elapsed_absolute, int exec_id, - int code) -{ - const char *event_name = "exec_result"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "id:%d code:%d", exec_id, code); - if (code > 0) - strbuf_addf(&buf_payload, " err:%s", strerror(code)); - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_param_fl(const char *file, int line, const char *param, - const char *value) -{ - const char *event_name = "def_param"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "%s:%s", param, value); - - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_repo_fl(const char *file, int line, - const struct repository *repo) -{ - const char *event_name = "def_repo"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addstr(&buf_payload, "worktree:"); - sq_quote_buf_pretty(&buf_payload, repo->worktree); - - perf_io_write_fl(file, line, event_name, repo, NULL, NULL, NULL, - &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_region_enter_printf_va_fl(const char *file, int line, - uint64_t us_elapsed_absolute, - const char *category, - const char *label, - const struct repository *repo, - const char *fmt, va_list ap) -{ - const char *event_name = "region_enter"; - struct strbuf buf_payload = STRBUF_INIT; - - if (label) - strbuf_addf(&buf_payload, "label:%s ", label); - maybe_append_string_va(&buf_payload, fmt, ap); - - perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute, - NULL, category, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_region_leave_printf_va_fl( - const char *file, int line, uint64_t us_elapsed_absolute, - uint64_t us_elapsed_region, const char *category, const char *label, - const struct repository *repo, const char *fmt, va_list ap) -{ - const char *event_name = "region_leave"; - struct strbuf buf_payload = STRBUF_INIT; - - if (label) - strbuf_addf(&buf_payload, "label:%s ", label); - maybe_append_string_va(&buf_payload, fmt, ap); - - perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute, - &us_elapsed_region, category, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_data_fl(const char *file, int line, uint64_t us_elapsed_absolute, - uint64_t us_elapsed_region, const char *category, - const struct repository *repo, const char *key, - const char *value) -{ - const char *event_name = "data"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "%s:%s", key, value); - - perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute, - &us_elapsed_region, category, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_data_json_fl(const char *file, int line, - uint64_t us_elapsed_absolute, - uint64_t us_elapsed_region, const char *category, - const struct repository *repo, const char *key, - const struct json_writer *value) -{ - const char *event_name = "data_json"; - struct strbuf buf_payload = STRBUF_INIT; - - strbuf_addf(&buf_payload, "%s:%s", key, value->json.buf); - - perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute, - &us_elapsed_region, category, &buf_payload); - strbuf_release(&buf_payload); -} - -static void fn_printf_va_fl(const char *file, int line, - uint64_t us_elapsed_absolute, const char *fmt, - va_list ap) -{ - const char *event_name = "printf"; - struct strbuf buf_payload = STRBUF_INIT; - - maybe_append_string_va(&buf_payload, fmt, ap); - - perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, - NULL, NULL, &buf_payload); - strbuf_release(&buf_payload); -} - -struct tr2_tgt tr2_tgt_perf = { - &tr2dst_perf, - - fn_init, - fn_term, - - fn_version_fl, - fn_start_fl, - fn_exit_fl, - fn_signal, - fn_atexit, - fn_error_va_fl, - fn_command_path_fl, - fn_command_name_fl, - fn_command_mode_fl, - fn_alias_fl, - fn_child_start_fl, - fn_child_exit_fl, - fn_thread_start_fl, - fn_thread_exit_fl, - fn_exec_fl, - fn_exec_result_fl, - fn_param_fl, - fn_repo_fl, - fn_region_enter_printf_va_fl, - fn_region_leave_printf_va_fl, - fn_data_fl, - fn_data_json_fl, - fn_printf_va_fl, -}; 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