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4b838b0db4
linux/tools/perf/tests/kmod-path.c
Jiri Olsa 4b838b0db4 perf tools: Add compression id into 'struct kmod_path' 
Store a decompression ID in 'struct kmod_path', so it can be later
stored in 'struct dso'.

Switch 'struct kmod_path's 'comp' from 'bool' to 'int' to return the
compressions array index. Add 0 index item into compressions array, so
that the comp usage stays as it was: 0 - no compression, != 0
compression index.

Update the kmod_path tests.

Committer notes:

Use a designated initializer + terminating comma, e.g. { .fmt = NULL, }, to fix
the build in several distros:

  centos:6:       util/dso.c:201: error: missing initializer
  centos:6:       util/dso.c:201: error: (near initialization for 'compressions[0].decompress')
  debian:9:       util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]
  fedora:25:      util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]
  fedora:26:      util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]
  fedora:27:      util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]
  oraclelinux:6:  util/dso.c:201: error: missing initializer
  oraclelinux:6:  util/dso.c:201: error: (near initialization for 'compressions[0].decompress')
  ubuntu:12.04.5: util/dso.c:201:2: error: missing initializer [-Werror=missing-field-initializers]
  ubuntu:12.04.5: util/dso.c:201:2: error: (near initialization for 'compressions[0].decompress') [-Werror=missing-field-initializers]
  ubuntu:16.04:   util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]
  ubuntu:16.10:   util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]
  ubuntu:16.10:   util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]
  ubuntu:17.10:   util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers]

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180817094813.15086-7-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-20 08:54:59 -03:00

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// SPDX-License-Identifier: GPL-2.0
#include <stdbool.h>
#include <stdlib.h>
#include "tests.h"
#include "dso.h"
#include "debug.h"
static int test(const char *path, bool alloc_name, bool alloc_ext,
bool kmod, int comp, const char *name, const char *ext)
{
struct kmod_path m;
memset(&m, 0x0, sizeof(m));
TEST_ASSERT_VAL("kmod_path__parse",
!__kmod_path__parse(&m, path, alloc_name, alloc_ext));
pr_debug("%s - alloc name %d, alloc ext %d, kmod %d, comp %d, name '%s', ext '%s'\n",
path, alloc_name, alloc_ext, m.kmod, m.comp, m.name, m.ext);
TEST_ASSERT_VAL("wrong kmod", m.kmod == kmod);
TEST_ASSERT_VAL("wrong comp", m.comp == comp);
if (ext)
TEST_ASSERT_VAL("wrong ext", m.ext && !strcmp(ext, m.ext));
else
TEST_ASSERT_VAL("wrong ext", !m.ext);
if (name)
TEST_ASSERT_VAL("wrong name", m.name && !strcmp(name, m.name));
else
TEST_ASSERT_VAL("wrong name", !m.name);
free(m.name);
free(m.ext);
return 0;
}
static int test_is_kernel_module(const char *path, int cpumode, bool expect)
{
TEST_ASSERT_VAL("is_kernel_module",
(!!is_kernel_module(path, cpumode)) == (!!expect));
pr_debug("%s (cpumode: %d) - is_kernel_module: %s\n",
path, cpumode, expect ? "true" : "false");
return 0;
}
#define T(path, an, ae, k, c, n, e) \
TEST_ASSERT_VAL("failed", !test(path, an, ae, k, c, n, e))
#define M(path, c, e) \
TEST_ASSERT_VAL("failed", !test_is_kernel_module(path, c, e))
int test__kmod_path__parse(struct test *t __maybe_unused, int subtest __maybe_unused)
{
/* path alloc_name alloc_ext kmod comp name ext */
T("/xxxx/xxxx/x-x.ko", true , true , true, 0 , "[x_x]", NULL);
T("/xxxx/xxxx/x-x.ko", false , true , true, 0 , NULL , NULL);
T("/xxxx/xxxx/x-x.ko", true , false , true, 0 , "[x_x]", NULL);
T("/xxxx/xxxx/x-x.ko", false , false , true, 0 , NULL , NULL);
M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_KERNEL, true);
M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_USER, false);
#ifdef HAVE_ZLIB_SUPPORT
/* path alloc_name alloc_ext kmod comp name ext */
T("/xxxx/xxxx/x.ko.gz", true , true , true, 1 , "[x]", "gz");
T("/xxxx/xxxx/x.ko.gz", false , true , true, 1 , NULL , "gz");
T("/xxxx/xxxx/x.ko.gz", true , false , true, 1 , "[x]", NULL);
T("/xxxx/xxxx/x.ko.gz", false , false , true, 1 , NULL , NULL);
M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_USER, false);
/* path alloc_name alloc_ext kmod comp name ext */
T("/xxxx/xxxx/x.gz", true , true , false, 1 , "x.gz" ,"gz");
T("/xxxx/xxxx/x.gz", false , true , false, 1 , NULL ,"gz");
T("/xxxx/xxxx/x.gz", true , false , false, 1 , "x.gz" , NULL);
T("/xxxx/xxxx/x.gz", false , false , false, 1 , NULL , NULL);
M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_KERNEL, false);
M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_USER, false);
/* path alloc_name alloc_ext kmod comp name ext */
T("x.gz", true , true , false, 1 , "x.gz", "gz");
T("x.gz", false , true , false, 1 , NULL , "gz");
T("x.gz", true , false , false, 1 , "x.gz", NULL);
T("x.gz", false , false , false, 1 , NULL , NULL);
M("x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("x.gz", PERF_RECORD_MISC_KERNEL, false);
M("x.gz", PERF_RECORD_MISC_USER, false);
/* path alloc_name alloc_ext kmod comp name ext */
T("x.ko.gz", true , true , true, 1 , "[x]", "gz");
T("x.ko.gz", false , true , true, 1 , NULL , "gz");
T("x.ko.gz", true , false , true, 1 , "[x]", NULL);
T("x.ko.gz", false , false , true, 1 , NULL , NULL);
M("x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
M("x.ko.gz", PERF_RECORD_MISC_USER, false);
#endif
/* path alloc_name alloc_ext kmod comp name ext */
T("[test_module]", true , true , true, false, "[test_module]", NULL);
T("[test_module]", false , true , true, false, NULL , NULL);
T("[test_module]", true , false , true, false, "[test_module]", NULL);
T("[test_module]", false , false , true, false, NULL , NULL);
M("[test_module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("[test_module]", PERF_RECORD_MISC_KERNEL, true);
M("[test_module]", PERF_RECORD_MISC_USER, false);
/* path alloc_name alloc_ext kmod comp name ext */
T("[test.module]", true , true , true, false, "[test.module]", NULL);
T("[test.module]", false , true , true, false, NULL , NULL);
T("[test.module]", true , false , true, false, "[test.module]", NULL);
T("[test.module]", false , false , true, false, NULL , NULL);
M("[test.module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
M("[test.module]", PERF_RECORD_MISC_KERNEL, true);
M("[test.module]", PERF_RECORD_MISC_USER, false);
/* path alloc_name alloc_ext kmod comp name ext */
T("[vdso]", true , true , false, false, "[vdso]", NULL);
T("[vdso]", false , true , false, false, NULL , NULL);
T("[vdso]", true , false , false, false, "[vdso]", NULL);
T("[vdso]", false , false , false, false, NULL , NULL);
M("[vdso]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vdso]", PERF_RECORD_MISC_KERNEL, false);
M("[vdso]", PERF_RECORD_MISC_USER, false);
T("[vdso32]", true , true , false, false, "[vdso32]", NULL);
T("[vdso32]", false , true , false, false, NULL , NULL);
T("[vdso32]", true , false , false, false, "[vdso32]", NULL);
T("[vdso32]", false , false , false, false, NULL , NULL);
M("[vdso32]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vdso32]", PERF_RECORD_MISC_KERNEL, false);
M("[vdso32]", PERF_RECORD_MISC_USER, false);
T("[vdsox32]", true , true , false, false, "[vdsox32]", NULL);
T("[vdsox32]", false , true , false, false, NULL , NULL);
T("[vdsox32]", true , false , false, false, "[vdsox32]", NULL);
T("[vdsox32]", false , false , false, false, NULL , NULL);
M("[vdsox32]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vdsox32]", PERF_RECORD_MISC_KERNEL, false);
M("[vdsox32]", PERF_RECORD_MISC_USER, false);
/* path alloc_name alloc_ext kmod comp name ext */
T("[vsyscall]", true , true , false, false, "[vsyscall]", NULL);
T("[vsyscall]", false , true , false, false, NULL , NULL);
T("[vsyscall]", true , false , false, false, "[vsyscall]", NULL);
T("[vsyscall]", false , false , false, false, NULL , NULL);
M("[vsyscall]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[vsyscall]", PERF_RECORD_MISC_KERNEL, false);
M("[vsyscall]", PERF_RECORD_MISC_USER, false);
/* path alloc_name alloc_ext kmod comp name ext */
T("[kernel.kallsyms]", true , true , false, false, "[kernel.kallsyms]", NULL);
T("[kernel.kallsyms]", false , true , false, false, NULL , NULL);
T("[kernel.kallsyms]", true , false , false, false, "[kernel.kallsyms]", NULL);
T("[kernel.kallsyms]", false , false , false, false, NULL , NULL);
M("[kernel.kallsyms]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
M("[kernel.kallsyms]", PERF_RECORD_MISC_KERNEL, false);
M("[kernel.kallsyms]", PERF_RECORD_MISC_USER, false);
return 0;
}
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