cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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test-cpumap.c (789B)


      1// SPDX-License-Identifier: GPL-2.0
      2#include <stdarg.h>
      3#include <stdio.h>
      4#include <perf/cpumap.h>
      5#include <internal/tests.h>
      6#include "tests.h"
      7
      8static int libperf_print(enum libperf_print_level level,
      9			 const char *fmt, va_list ap)
     10{
     11	return vfprintf(stderr, fmt, ap);
     12}
     13
     14int test_cpumap(int argc, char **argv)
     15{
     16	struct perf_cpu_map *cpus;
     17	struct perf_cpu cpu;
     18	int idx;
     19
     20	__T_START;
     21
     22	libperf_init(libperf_print);
     23
     24	cpus = perf_cpu_map__dummy_new();
     25	if (!cpus)
     26		return -1;
     27
     28	perf_cpu_map__get(cpus);
     29	perf_cpu_map__put(cpus);
     30	perf_cpu_map__put(cpus);
     31
     32	cpus = perf_cpu_map__default_new();
     33	if (!cpus)
     34		return -1;
     35
     36	perf_cpu_map__for_each_cpu(cpu, idx, cpus)
     37		__T("wrong cpu number", cpu.cpu != -1);
     38
     39	perf_cpu_map__put(cpus);
     40
     41	__T_END;
     42	return tests_failed == 0 ? 0 : -1;
     43}