blob: 7102a69184cd133942a405137feab7c650090ec1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
uClibc does not have sched_getcpu() implemented. So we create a wrapper
to getcpu syscall when compiling for uclibc.
So far execinfo.h does not exist on uclibc but it turns out to be that
this header is not needed even in eglibc case so it can be removed
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-status: Pending
Index: ust-0.12/libust/tracer.h
===================================================================
--- ust-0.12.orig/libust/tracer.h
+++ ust-0.12/libust/tracer.h
@@ -342,14 +342,22 @@ static __inline__ void ltt_write_trace_h
header->start_freq = trace->start_freq;
header->freq_scale = trace->freq_scale;
}
-
+#ifdef __UCLIBC__
+#define sched_getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache)
+#endif
#ifndef UST_VALGRIND
static __inline__ int ust_get_cpu(void)
{
int cpu;
+#ifdef __UCLIBC__
+ int c, s;
+ s = syscall(__NR_getcpu, &c, NULL, NULL);
+ cpu = (s == -1) ? s : c;
+#else
cpu = sched_getcpu();
+#endif
if (likely(cpu >= 0))
return cpu;
/*
Index: ust-0.12/libustcomm/ustcomm.c
===================================================================
--- ust-0.12.orig/libustcomm/ustcomm.c
+++ ust-0.12/libustcomm/ustcomm.c
@@ -31,7 +31,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <execinfo.h>
#include "ustcomm.h"
#include "usterr.h"
|
