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tr2: shows scope unconditionally in addition to key-value pair

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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 <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Teng Long
2022-08-12 10:56:46 +08:00
committed by Junio C Hamano
parent 050d0dc241
commit 35ae40ead3
4 changed files with 27 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
trace2/tr2_tgt_event.c
View File

@@ -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);

5
trace2/tr2_tgt_normal.c
View File

@@ -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);
}

9
trace2/tr2_tgt_perf.c
View File

@@ -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,