tools/power turbostat: fix output buffering issue

lenb · lenb · commit ddac0d6872b1 · 2012-11-30T01:09:43.000-05:00
In periodic mode, turbostat writes to stdout,
but users were un-able to re-direct stdout, eg.

turbostat &gt; outputfile

would result in an empty outputfile.

Signed-off-by: Len Brown &lt;len.brown@intel.com&gt;
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
@@ -423,6 +423,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
 void flush_stdout()
 {
 	fputs(output_buffer, stdout);
+	fflush(stdout);
 	outp = output_buffer;
 }
 void flush_stderr()

Original file line number	Diff line number	Diff line change
`@@ -423,6 +423,7 @@ int format_counters(struct thread_data t, struct core_data c,`
`423`	`423`	`void flush_stdout()`
`424`	`424`	`{`
`425`	`425`	`fputs(output_buffer, stdout);`
	`426`	`+ fflush(stdout);`
`426`	`427`	`outp = output_buffer;`
`427`	`428`	`}`
`428`	`429`	`void flush_stderr()`