From: Jeff Hostetler Date: Mon, 11 Jul 2022 19:19:53 GMT Subject: Re: [PATCH v6 7/7] tr2: dump names if config exist in multiple scopes Message-ID: <9934c512-7e82-b024-5292-71a0ebcf2351@jeffhostetler.com> In-Reply-To: On 7/11/22 8:44 AM, Teng Long wrote: > When we specify GIT_TRACE2_CONFIG_PARAMS or trace2.configparams, > trace2 will prints "interesting" config values to log. Sometimes, > when a config set in multiple scope files, the following output > looks like (the irrelevant fields are omitted here as "..."): > > ...| def_param | ... | core.multipackindex:false > ...| def_param | ... | core.multipackindex:false > ...| def_param | ... | core.multipackindex:false > > As the log shows, even each config in different scope is dumped, but > we don't know which scope it comes from. Therefore, it's better to > add the scope names as well to make them be more recognizable. For > example, when execute: > > $ GIT_TRACE2_PERF=1 \ > > GIT_TRACE2_CONFIG_PARAMS=core.multipackIndex \ > > git rev-list --test-bitmap HEAD" > > The following is the ouput (the irrelevant fields are omitted here > as "..."): > > Format normal: > ... git.c:461 ... def_param scope:system core.multipackindex=false > ... git.c:461 ... def_param scope:global core.multipackindex=false > ... git.c:461 ... def_param scope:local core.multipackindex=false > > Format perf: > > ... | def_param | ... | scope:system | core.multipackindex:false > ... | def_param | ... | scope:global | core.multipackindex:false > ... | def_param | ... | scope:local | core.multipackindex:false > > Format event: > > {"event":"def_param", ... ,"scope":"system","param":"core.multipackindex","value":"false"} > {"event":"def_param", ... ,"scope":"global","param":"core.multipackindex","value":"false"} > {"event":"def_param", ... ,"scope":"local","param":"core.multipackindex","value":"false"} > > Signed-off-by: Teng Long > --- > trace2/tr2_tgt_event.c | 3 +++ > trace2/tr2_tgt_normal.c | 5 ++++- > trace2/tr2_tgt_perf.c | 9 +++++++-- > 3 files changed, 14 insertions(+), 3 deletions(-) > > diff --git a/trace2/tr2_tgt_event.c b/trace2/tr2_tgt_event.c > index c5c8cfbbaa..37a3163be1 100644 > --- a/trace2/tr2_tgt_event.c > +++ b/trace2/tr2_tgt_event.c > @@ -479,9 +479,12 @@ static void fn_param_fl(const char *file, int line, const char *param, > { > const char *event_name = "def_param"; > struct json_writer jw = JSON_WRITER_INIT; > + enum config_scope scope = current_config_scope(); > + const char *scope_name = config_scope_name(scope); > > jw_object_begin(&jw, 0); > event_fmt_prepare(event_name, file, line, NULL, &jw); > + jw_object_string(&jw, "scope", scope_name); > jw_object_string(&jw, "param", param); > jw_object_string(&jw, "value", value); > jw_end(&jw); > diff --git a/trace2/tr2_tgt_normal.c b/trace2/tr2_tgt_normal.c > index c42fbade7f..69f8033077 100644 > --- a/trace2/tr2_tgt_normal.c > +++ b/trace2/tr2_tgt_normal.c > @@ -298,8 +298,11 @@ static void fn_param_fl(const char *file, int line, const char *param, > const char *value) > { > struct strbuf buf_payload = STRBUF_INIT; > + enum config_scope scope = current_config_scope(); > + const char *scope_name = config_scope_name(scope); > > - strbuf_addf(&buf_payload, "def_param %s=%s", param, value); > + strbuf_addf(&buf_payload, "def_param scope:%s %s=%s", scope_name, param, > + value); > normal_io_write_fl(file, line, &buf_payload); > strbuf_release(&buf_payload); > } > diff --git a/trace2/tr2_tgt_perf.c b/trace2/tr2_tgt_perf.c > index a1eff8bea3..8cb792488c 100644 > --- a/trace2/tr2_tgt_perf.c > +++ b/trace2/tr2_tgt_perf.c > @@ -441,12 +441,17 @@ static void fn_param_fl(const char *file, int line, const char *param, > { > const char *event_name = "def_param"; > struct strbuf buf_payload = STRBUF_INIT; > + struct strbuf scope_payload = STRBUF_INIT; > + enum config_scope scope = current_config_scope(); > + const char *scope_name = config_scope_name(scope); > > strbuf_addf(&buf_payload, "%s:%s", param, value); > + strbuf_addf(&scope_payload, "%s:%s", "scope", scope_name); > > - perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, NULL, > - &buf_payload); > + perf_io_write_fl(file, line, event_name, NULL, NULL, NULL, > + scope_payload.buf, &buf_payload); > strbuf_release(&buf_payload); > + strbuf_release(&scope_payload); > } > > static void fn_repo_fl(const char *file, int line, > Nicely done. Thanks for your attention on this. Jeff