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libsysprof-collector: avoid formatting unless recording

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We can avoid the process of creating the log message altogether if we are
not actively recording messages.
This commit is contained in:
Christian Hergert
2020-03-16 12:26:05 -07:00
parent 3d546eb6d1
commit 01d196abe4
1 changed files with 32 additions and 6 deletions
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38
src/libsysprof-capture/sysprof-collector.c
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@ -461,12 +461,38 @@ sysprof_collector_log_printf (GLogLevelFlags severity,
const gchar *format,
...)
{
g_autofree gchar *formatted = NULL;
va_list args;
COLLECTOR_BEGIN {
g_autofree gchar *formatted = NULL;
SysprofCaptureLog *ev;
va_list args;
gsize len;
gsize sl;
va_start (args, format);
formatted = g_strdup_vprintf (format, args);
va_end (args);
va_start (args, format);
formatted = g_strdup_vprintf (format, args);
va_end (args);
sysprof_collector_log (severity, domain, formatted);
if (domain == NULL)
domain = "";
sl = strlen (formatted);
len = realign (sizeof *ev + sl + 1);
if ((ev = mapped_ring_buffer_allocate (collector->buffer, len)))
{
ev->frame.len = len;
ev->frame.type = SYSPROF_CAPTURE_FRAME_LOG;
ev->frame.cpu = _do_getcpu ();
ev->frame.pid = collector->pid;
ev->frame.time = SYSPROF_CAPTURE_CURRENT_TIME;
ev->severity = severity & 0xFFFF;
ev->padding1 = 0;
ev->padding2 = 0;
g_strlcpy (ev->domain, domain, sizeof ev->domain);
memcpy (ev->message, formatted, sl);
ev->message[sl] = 0;
mapped_ring_buffer_advance (collector->buffer, ev->frame.len);
}
} COLLECTOR_END;
}