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vlog: Report timestamps in millisecond resolution in log messages.

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To make debugging easier.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Paul Ingram <pingram@nicira.com>
This commit is contained in:
Paul Ingram
2013-09-12 18:19:04 -07:00
committed by Ben Pfaff
parent 63a04c1b5f
commit 2b31d8e713
13 changed files with 98 additions and 29 deletions
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21
lib/dynamic-string.c
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@@ -183,21 +183,24 @@ ds_put_printable(struct ds *ds, const char *s, size_t n)
}
}
/* Writes time 'when' to 'string' based on 'template', in local time or UTC
* based on 'utc'. */
/* Writes the current time with optional millisecond resolution to 'string'
* based on 'template'.
* The current time is either localtime or UTC based on 'utc'. */
void
ds_put_strftime(struct ds *ds, const char *template, time_t when, bool utc)
ds_put_strftime_msec(struct ds *ds, const char *template, long long int when,
bool utc)
{
struct tm tm;
struct tm_msec tm;
if (utc) {
gmtime_r(&when, &tm);
gmtime_msec(when, &tm);
} else {
localtime_r(&when, &tm);
localtime_msec(when, &tm);
}
for (;;) {
size_t avail = ds->string ? ds->allocated - ds->length + 1 : 0;
size_t used = strftime(&ds->string[ds->length], avail, template, &tm);
size_t used = strftime_msec(&ds->string[ds->length], avail, template,
&tm);
if (used) {
ds->length += used;
return;
@@ -209,12 +212,12 @@ ds_put_strftime(struct ds *ds, const char *template, time_t when, bool utc)
/* Returns a malloc()'d string for time 'when' based on 'template', in local
* time or UTC based on 'utc'. */
char *
xastrftime(const char *template, time_t when, bool utc)
xastrftime_msec(const char *template, long long int when, bool utc)
{
struct ds s;
ds_init(&s);
ds_put_strftime(&s, template, when, utc);
ds_put_strftime_msec(&s, template, when, utc);
return s.string;
}