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author | Ingo Molnar <mingo@kernel.org> | 2017-05-03 19:28:27 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2017-05-03 19:28:27 +0200 |
commit | 12c1c2fd780a9a5581105fcb6f251466cf35af2a (patch) | |
tree | ce613b7dfdb64d93a26765cdcf20b0f5deab9ef7 /tools/perf/tests/expr.c | |
parent | 33b88e708e7dfa58dc896da2a98f5719d2eb315c (diff) | |
parent | 4341ec6b3db4c3e903d6c44958722918baec1e59 (diff) | |
download | linux-12c1c2fd780a9a5581105fcb6f251466cf35af2a.tar.bz2 |
Merge tag 'perf-core-for-mingo-4.12-20170503' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
Fixes:
- Support setting probes in versioned user space symbols, such as
pthread_create@@GLIBC_2.1, picking the default one, more work
needed to make it possible to set it on the other versions, as
the 'perf probe' syntax already uses @ for other purposes.
(Paul Clarke)
- Do not special case address zero as an error for routines that
return addresses (symbol lookup), instead use the return as the
success/error indication and pass a pointer to return the address,
fixing 'perf test vmlinux' (the one that compares address between
vmlinux and kallsyms) on s/390, where the '_text' address is equal
to zero (Arnaldo Carvalho de Melo)
Infrastructure changes:
- More header sanitization, moving stuff out of util.h into
more appropriate headers and objects and sometimes creating
new ones (Arnaldo Carvalho de Melo)
- Refactor a duplicated code for obtaining config file name (Taeung Song)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/tests/expr.c')
-rw-r--r-- | tools/perf/tests/expr.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c new file mode 100644 index 000000000000..6c6a3749aaf6 --- /dev/null +++ b/tools/perf/tests/expr.c @@ -0,0 +1,56 @@ +#include "util/debug.h" +#include "util/expr.h" +#include "tests.h" +#include <stdlib.h> + +static int test(struct parse_ctx *ctx, const char *e, double val2) +{ + double val; + + if (expr__parse(&val, ctx, &e)) + TEST_ASSERT_VAL("parse test failed", 0); + TEST_ASSERT_VAL("unexpected value", val == val2); + return 0; +} + +int test__expr(int subtest __maybe_unused) +{ + const char *p; + const char **other; + double val; + int ret; + struct parse_ctx ctx; + int num_other; + + expr__ctx_init(&ctx); + expr__add_id(&ctx, "FOO", 1); + expr__add_id(&ctx, "BAR", 2); + + ret = test(&ctx, "1+1", 2); + ret |= test(&ctx, "FOO+BAR", 3); + ret |= test(&ctx, "(BAR/2)%2", 1); + ret |= test(&ctx, "1 - -4", 5); + ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4", 5); + + if (ret) + return ret; + + p = "FOO/0"; + ret = expr__parse(&val, &ctx, &p); + TEST_ASSERT_VAL("division by zero", ret == 1); + + p = "BAR/"; + ret = expr__parse(&val, &ctx, &p); + TEST_ASSERT_VAL("missing operand", ret == 1); + + TEST_ASSERT_VAL("find other", + expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other) == 0); + TEST_ASSERT_VAL("find other", num_other == 3); + TEST_ASSERT_VAL("find other", !strcmp(other[0], "BAR")); + TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ")); + TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO")); + TEST_ASSERT_VAL("find other", other[3] == NULL); + free((void *)other); + + return 0; +} |