File: syscallsrw.stp

package info (click to toggle)
systemtap 5.1-5
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 47,964 kB
  • sloc: cpp: 80,838; ansic: 54,757; xml: 49,725; exp: 43,665; sh: 11,527; python: 5,003; perl: 2,252; tcl: 1,312; makefile: 1,006; javascript: 149; lisp: 105; awk: 101; asm: 91; java: 70; sed: 16
file content (18 lines) | stat: -rwxr-xr-x 376 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
#! /usr/bin/stap --bpf

global arr

probe kernel.function("ksys_read") !, kernel.function("vfs_read") {
    arr[0]++;
}

probe kernel.function("ksys_write") !, kernel.function("vfs_write") {
    arr[1]++;
}

probe prometheus {

    $value .= ("count{syscall=\"ksys_read\"} " . sprint(arr[0]) . "\n")
    $value .= ("count{syscall=\"ksys_write\"} " . sprint(arr[1]) . "\n")

}