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| Filename | Latest commit message | Latest commit date |
|---|---|---|
4bf6e11c34
commit cf129830ee820f7fc90b98df193cd49d49344d09 upstream.
When a match has been made to the nth duplicate symbol, return
success not error.
Example:
Before:
$ cat file.c
cat: file.c: No such file or directory
$ cat file1.c
#include <stdio.h>
static void func(void)
{
printf("First func\n");
}
void other(void);
int main()
{
func();
other();
return 0;
}
$ cat file2.c
#include <stdio.h>
static void func(void)
{
printf("Second func\n");
}
void other(void)
{
func();
}
$ gcc -Wall -Wextra -o test file1.c file2.c
$ perf record -e intel_pt//u --filter 'filter func @ ./test' -- ./test
Multiple symbols with name 'func'
#1 0x1149 l func
which is near main
#2 0x1179 l func
which is near other
Disambiguate symbol name by inserting #n after the name e.g. func #2
Or select a global symbol by inserting #0 or #g or #G
Failed to parse address filter: 'filter func @ ./test'
Filter format is: filter|start|stop|tracestop <start symbol or address> [/ <end symbol or size>] [@<file name>]
Where multiple filters are separated by space or comma.
$ perf record -e intel_pt//u --filter 'filter func #2 @ ./test' -- ./test
Failed to parse address filter: 'filter func #2 @ ./test'
Filter format is: filter|start|stop|tracestop <start symbol or address> [/ <end symbol or size>] [@<file name>]
Where multiple filters are separated by space or comma.
After:
$ perf record -e intel_pt//u --filter 'filter func #2 @ ./test' -- ./test
First func
Second func
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.016 MB perf.data ]
$ perf script --itrace=b -Ftime,flags,ip,sym,addr --ns
1231062.526977619: tr strt 0 [unknown] => 558495708179 func
1231062.526977619: tr end call 558495708188 func => 558495708050 _init
1231062.526979286: tr strt 0 [unknown] => 55849570818d func
1231062.526979286: tr end return 55849570818f func => 55849570819d other
Fixes:
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| .. | ||
| accounting | ||
| arch | ||
| bpf | ||
| build | ||
| cgroup | ||
| debugging | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| io_uring | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| nfsd | ||
| objtool | ||
| pci | ||
| pcmcia | ||
| perf | ||
| power | ||
| scripts | ||
| spi | ||
| testing | ||
| thermal/tmon | ||
| time | ||
| usb | ||
| virtio | ||
| vm | ||
| wmi | ||
| Makefile | ||