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Signed-off-by: Jorge Prendes <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| #!/usr/bin/env bpftrace | ||
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| // from https://github.com/containers/youki/blob/main/hack/debug.bt | ||
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| BEGIN | ||
| { | ||
| printf("Tracing Youki syscalls... Hit Ctrl-C to end.\n"); | ||
| printf("%-12s %15s %-8s %-9s %s\n", "TIME", "COMMAND", "PID", "EVENT", "CONTENT"); | ||
| } | ||
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| tracepoint:syscalls:sys_enter_write | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
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| $s = str(args->buf, args->count); | ||
| if ($s != "\n") { | ||
| printf("%-12ld %15s %-8d %-9s ", elapsed , comm, pid, "write"); | ||
| printf("fd=%d, %s\n", args->fd, $s); | ||
| } | ||
| } | ||
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| tracepoint:syscalls:sys_enter_open, | ||
| tracepoint:syscalls:sys_enter_openat | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
| @filename[tid] = args->filename; | ||
| } | ||
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| tracepoint:syscalls:sys_exit_open, | ||
| tracepoint:syscalls:sys_exit_openat | ||
| /@filename[tid]/ | ||
| { | ||
| $ret = args->ret; | ||
| $fd = $ret >= 0 ? $ret : -1; | ||
| $errno = $ret >= 0 ? 0 : - $ret; | ||
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| printf("%-12ld %15s %-8d %-9s ", elapsed , comm, pid, "open"); | ||
| printf("errno=%d, fd=%d, file=%s\n", $errno, $fd, str(@filename[tid])); | ||
| delete(@filename[tid]); | ||
| } | ||
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| tracepoint:syscalls:sys_enter_clone3 | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
| printf("%-12ld %15s %-8d %-9s\n", elapsed , comm, pid, "clone3"); | ||
| } | ||
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| tracepoint:syscalls:sys_enter_setns | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
| printf("%-12ld %15s %-8d %-9s ", elapsed , comm, pid, "setns"); | ||
| printf("fd=%d, flag=%d\n", args->fd, args->flags); | ||
| } | ||
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| tracepoint:syscalls:sys_enter_capset | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
| printf("%-12ld %15s %-8d %-9s\n", elapsed , comm, pid, "capset"); | ||
| } | ||
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| tracepoint:syscalls:sys_enter_pivot_root | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
| printf("%-12ld %15s %-8d %-9s ", elapsed , comm, pid, "pivt_root"); | ||
| printf("new_root=%s, put_old=%s\n", str(args->new_root), str(args->put_old)); | ||
| } | ||
|
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| tracepoint:syscalls:sys_enter_mount | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
| printf("%-12ld %15s %-8d %-9s ", elapsed , comm, pid, "mount"); | ||
| printf("dev_name=%s, dir_name=%s\n", str(args->dev_name), str(args->dir_name)); | ||
| } | ||
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| tracepoint:syscalls:sys_enter_setresuid | ||
| /comm == "4"|| comm == "youki" || comm == "youki:[1:INTER]" || comm == "youki:[2:INIT]"/ | ||
| { | ||
| printf("%-12ld %15s %-8d %-9s ", elapsed , comm, pid, "setresuid"); | ||
| printf("ruid=%d, euid=%d, suid=%d\n", args->ruid, args->euid, args->suid); | ||
| } | ||
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| END | ||
| { | ||
| clear(@filename); | ||
| printf("Tracing ended.\n"); | ||
| } |
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