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805b151a1a
__kmod_path__parse() uses is_supported_compression() to determine and
parse out compressed module file extensions. On systems without zlib,
this test fails and __kmod_path__parse() continues to strcmp "ko" with
"gz". Don't do this on those systems.
Signed-off-by: Kim Phillips <kim.phillips@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Fixes: 3c8a67f50a ("perf tools: Add kmod_path__parse function")
Link: http://lkml.kernel.org/r/20170503131402.c66e314460026c80cd787b34@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
149 lines
6.6 KiB
C
149 lines
6.6 KiB
C
#include <stdbool.h>
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#include <stdlib.h>
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#include "tests.h"
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#include "dso.h"
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#include "debug.h"
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static int test(const char *path, bool alloc_name, bool alloc_ext,
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bool kmod, bool comp, const char *name, const char *ext)
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{
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struct kmod_path m;
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memset(&m, 0x0, sizeof(m));
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TEST_ASSERT_VAL("kmod_path__parse",
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!__kmod_path__parse(&m, path, alloc_name, alloc_ext));
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pr_debug("%s - alloc name %d, alloc ext %d, kmod %d, comp %d, name '%s', ext '%s'\n",
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path, alloc_name, alloc_ext, m.kmod, m.comp, m.name, m.ext);
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TEST_ASSERT_VAL("wrong kmod", m.kmod == kmod);
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TEST_ASSERT_VAL("wrong comp", m.comp == comp);
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if (ext)
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TEST_ASSERT_VAL("wrong ext", m.ext && !strcmp(ext, m.ext));
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else
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TEST_ASSERT_VAL("wrong ext", !m.ext);
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if (name)
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TEST_ASSERT_VAL("wrong name", m.name && !strcmp(name, m.name));
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else
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TEST_ASSERT_VAL("wrong name", !m.name);
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free(m.name);
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free(m.ext);
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return 0;
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}
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static int test_is_kernel_module(const char *path, int cpumode, bool expect)
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{
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TEST_ASSERT_VAL("is_kernel_module",
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(!!is_kernel_module(path, cpumode)) == (!!expect));
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pr_debug("%s (cpumode: %d) - is_kernel_module: %s\n",
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path, cpumode, expect ? "true" : "false");
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return 0;
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}
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#define T(path, an, ae, k, c, n, e) \
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TEST_ASSERT_VAL("failed", !test(path, an, ae, k, c, n, e))
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#define M(path, c, e) \
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TEST_ASSERT_VAL("failed", !test_is_kernel_module(path, c, e))
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int test__kmod_path__parse(int subtest __maybe_unused)
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{
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/* path alloc_name alloc_ext kmod comp name ext */
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T("/xxxx/xxxx/x-x.ko", true , true , true, false, "[x_x]", NULL);
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T("/xxxx/xxxx/x-x.ko", false , true , true, false, NULL , NULL);
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T("/xxxx/xxxx/x-x.ko", true , false , true, false, "[x_x]", NULL);
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T("/xxxx/xxxx/x-x.ko", false , false , true, false, NULL , NULL);
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M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
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M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_KERNEL, true);
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M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_USER, false);
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#ifdef HAVE_ZLIB_SUPPORT
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/* path alloc_name alloc_ext kmod comp name ext */
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T("/xxxx/xxxx/x.ko.gz", true , true , true, true, "[x]", "gz");
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T("/xxxx/xxxx/x.ko.gz", false , true , true, true, NULL , "gz");
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T("/xxxx/xxxx/x.ko.gz", true , false , true, true, "[x]", NULL);
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T("/xxxx/xxxx/x.ko.gz", false , false , true, true, NULL , NULL);
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M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
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M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
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M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_USER, false);
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/* path alloc_name alloc_ext kmod comp name ext */
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T("/xxxx/xxxx/x.gz", true , true , false, true, "x.gz" ,"gz");
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T("/xxxx/xxxx/x.gz", false , true , false, true, NULL ,"gz");
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T("/xxxx/xxxx/x.gz", true , false , false, true, "x.gz" , NULL);
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T("/xxxx/xxxx/x.gz", false , false , false, true, NULL , NULL);
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M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
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M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_KERNEL, false);
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M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_USER, false);
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/* path alloc_name alloc_ext kmod comp name ext */
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T("x.gz", true , true , false, true, "x.gz", "gz");
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T("x.gz", false , true , false, true, NULL , "gz");
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T("x.gz", true , false , false, true, "x.gz", NULL);
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T("x.gz", false , false , false, true, NULL , NULL);
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M("x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
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M("x.gz", PERF_RECORD_MISC_KERNEL, false);
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M("x.gz", PERF_RECORD_MISC_USER, false);
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/* path alloc_name alloc_ext kmod comp name ext */
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T("x.ko.gz", true , true , true, true, "[x]", "gz");
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T("x.ko.gz", false , true , true, true, NULL , "gz");
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T("x.ko.gz", true , false , true, true, "[x]", NULL);
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T("x.ko.gz", false , false , true, true, NULL , NULL);
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M("x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
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M("x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
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M("x.ko.gz", PERF_RECORD_MISC_USER, false);
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#endif
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/* path alloc_name alloc_ext kmod comp name ext */
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T("[test_module]", true , true , true, false, "[test_module]", NULL);
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T("[test_module]", false , true , true, false, NULL , NULL);
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T("[test_module]", true , false , true, false, "[test_module]", NULL);
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T("[test_module]", false , false , true, false, NULL , NULL);
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M("[test_module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
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M("[test_module]", PERF_RECORD_MISC_KERNEL, true);
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M("[test_module]", PERF_RECORD_MISC_USER, false);
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/* path alloc_name alloc_ext kmod comp name ext */
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T("[test.module]", true , true , true, false, "[test.module]", NULL);
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T("[test.module]", false , true , true, false, NULL , NULL);
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T("[test.module]", true , false , true, false, "[test.module]", NULL);
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T("[test.module]", false , false , true, false, NULL , NULL);
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M("[test.module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
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M("[test.module]", PERF_RECORD_MISC_KERNEL, true);
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M("[test.module]", PERF_RECORD_MISC_USER, false);
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/* path alloc_name alloc_ext kmod comp name ext */
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T("[vdso]", true , true , false, false, "[vdso]", NULL);
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T("[vdso]", false , true , false, false, NULL , NULL);
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T("[vdso]", true , false , false, false, "[vdso]", NULL);
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T("[vdso]", false , false , false, false, NULL , NULL);
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M("[vdso]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
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M("[vdso]", PERF_RECORD_MISC_KERNEL, false);
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M("[vdso]", PERF_RECORD_MISC_USER, false);
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/* path alloc_name alloc_ext kmod comp name ext */
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T("[vsyscall]", true , true , false, false, "[vsyscall]", NULL);
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T("[vsyscall]", false , true , false, false, NULL , NULL);
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T("[vsyscall]", true , false , false, false, "[vsyscall]", NULL);
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T("[vsyscall]", false , false , false, false, NULL , NULL);
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M("[vsyscall]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
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M("[vsyscall]", PERF_RECORD_MISC_KERNEL, false);
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M("[vsyscall]", PERF_RECORD_MISC_USER, false);
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/* path alloc_name alloc_ext kmod comp name ext */
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T("[kernel.kallsyms]", true , true , false, false, "[kernel.kallsyms]", NULL);
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T("[kernel.kallsyms]", false , true , false, false, NULL , NULL);
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T("[kernel.kallsyms]", true , false , false, false, "[kernel.kallsyms]", NULL);
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T("[kernel.kallsyms]", false , false , false, false, NULL , NULL);
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M("[kernel.kallsyms]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
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M("[kernel.kallsyms]", PERF_RECORD_MISC_KERNEL, false);
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M("[kernel.kallsyms]", PERF_RECORD_MISC_USER, false);
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return 0;
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}
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