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Søren Sandmann Pedersen
2004-11-05 16:57:40 +00:00
parent 17febd9bbe
commit c27b97c7c0
3 changed files with 152 additions and 47 deletions
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4
sysprof-module.c
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@ -21,7 +21,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Soeren Sandmann (sandmann@daimi.au.dk)");
#define SAMPLES_PER_SECOND (30)
#define SAMPLES_PER_SECOND (100)
#define INTERVAL (HZ / SAMPLES_PER_SECOND)
#define N_TRACES 256
@ -316,6 +316,8 @@ procfile_read(char *buffer,
int *eof,
void *data)
{
if (head == tail)
return -EWOULDBLOCK;
wait_event_interruptible (wait_for_trace, head != tail);
*buffer_location = (char *)tail;
if (tail++ == &stack_traces[N_TRACES - 1])