blob: e5d32a57693c374d59dfe111e5431f44f0a1fc42 (
plain) (
blame)
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#!/usr/bin/perl -w
#
# stackcollapse-bpftrace.pl collapse bpftrace samples into single lines.
#
# USAGE ./stackcollapse-bpftrace.pl infile > outfile
#
# Example input:
#
# @[
# _raw_spin_lock_bh+0
# tcp_recvmsg+808
# inet_recvmsg+81
# sock_recvmsg+67
# sock_read_iter+144
# new_sync_read+228
# __vfs_read+41
# vfs_read+142
# sys_read+85
# do_syscall_64+115
# entry_SYSCALL_64_after_hwframe+61
# ]: 3
#
# Example output:
#
# entry_SYSCALL_64_after_hwframe+61;do_syscall_64+115;sys_read+85;vfs_read+142;__vfs_read+41;new_sync_read+228;sock_read_iter+144;sock_recvmsg+67;inet_recvmsg+81;tcp_recvmsg+808;_raw_spin_lock_bh+0 3
#
# Copyright 2018 Peter Sanford. All rights reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# (http://www.gnu.org/copyleft/gpl.html)
#
use strict;
my @stack;
my $in_stack = 0;
foreach (<>) {
chomp;
if (!$in_stack) {
if (/^@\[/) {
$in_stack = 1;
}
} else {
if (m/^\]: (\d+)/) {
print join(';', reverse(@stack)) . " $1\n";
$in_stack = 0;
@stack = ();
} else {
push(@stack, $_);
}
}
}
|
