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libsysprof-analyze: add some string helpers

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This commit is contained in:
Christian Hergert
2023-07-06 11:32:23 -07:00
parent a0d5f0fc66
commit 5884636da5
1 changed files with 31 additions and 0 deletions
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31
src/libsysprof-analyze/sysprof-time-span.h
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@ -99,4 +99,35 @@ sysprof_time_span_clamp (SysprofTimeSpan *time_span,
return TRUE; return TRUE;
} }
static inline char *
sysprof_time_offset_to_string (gint64 o)
{
char str[32];
if (o == 0)
g_snprintf (str, sizeof str, "%.3lfs", .0);
else if (o < 1000000)
g_snprintf (str, sizeof str, "%.3lfμs", o/1000.);
else if (o < SYSPROF_NSEC_PER_SEC)
g_snprintf (str, sizeof str, "%.3lfms", o/1000000.);
else
g_snprintf (str, sizeof str, "%.3lfs", o/(double)SYSPROF_NSEC_PER_SEC);
return g_strdup (str);
}
static inline char *
sysprof_time_span_to_string (const SysprofTimeSpan *span)
{
g_autofree char *begin = sysprof_time_offset_to_string (span->begin_nsec);
g_autofree char *end = NULL;
if (span->end_nsec == span->begin_nsec)
return g_steal_pointer (&begin);
end = sysprof_time_offset_to_string (span->end_nsec - span->begin_nsec);
return g_strdup_printf ("%s (%s)", begin, end);
}
G_END_DECLS G_END_DECLS