Software: nginx/1.23.4. PHP/5.6.40-65+ubuntu20.04.1+deb.sury.org+1 uname -a: Linux foro-restaurado-2 5.15.0-1040-oracle #46-Ubuntu SMP Fri Jul 14 21:47:21 UTC 2023 uid=33(www-data) gid=33(www-data) groups=33(www-data) Safe-mode: OFF (not secure) /usr/src/linux-oracle-headers-5.15.0-1040/tools/perf/tests/shell/ drwxr-xr-x |
Viewing file: Select action/file-type: #!/bin/sh # perf pipe recording and injection test # SPDX-License-Identifier: GPL-2.0 # skip if there's no compiler if ! [ -x "$(command -v cc)" ]; then echo "failed: no compiler, install gcc" exit 2 fi file=$(mktemp /tmp/test.file.XXXXXX) data=$(mktemp /tmp/perf.data.XXXXXX) cat <<EOF | cc -o ${file} -x c - #include <signal.h> #include <stdlib.h> #include <unistd.h> volatile int done; void sigalrm(int sig) { done = 1; } __attribute__((noinline)) void noploop(void) { while (!done) continue; } int main(int argc, char *argv[]) { int sec = 1; if (argc > 1) sec = atoi(argv[1]); signal(SIGALRM, sigalrm); alarm(sec); noploop(); return 0; } EOF if ! perf record -e task-clock:u -o - ${file} | perf report -i - --task | grep test.file; then echo "cannot find the test file in the perf report" exit 1 fi if ! perf record -e task-clock:u -o - ${file} | perf inject -b | perf report -i - | grep noploop; then echo "cannot find noploop function in pipe #1" exit 1 fi perf record -e task-clock:u -o - ${file} | perf inject -b -o ${data} if ! perf report -i ${data} | grep noploop; then echo "cannot find noploop function in pipe #2" exit 1 fi perf record -e task-clock:u -o ${data} ${file} if ! perf inject -b -i ${data} | perf report -i - | grep noploop; then echo "cannot find noploop function in pipe #3" exit 1 fi rm -f ${file} ${data} ${data}.old exit 0 |
:: Command execute :: | |
--[ c99shell v. 2.0 [PHP 7 Update] [25.02.2019] maintained by HackingTool | HackingTool | Generation time: 0.0046 ]-- |