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Merge "sys_hwprobe_test.cpp: compare vdso to syscall." into main am: d8708ba8b6 am: 6e0fa4ae74

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Original change: https://android-review.googlesource.com/c/platform/bionic/+/2708293

Change-Id: I4f9a5706714ad4a6039522df49f93ae9c2b5d056
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Treehugger Robot 2023-08-21 21:45:23 +00:00 committed by Automerger Merge Worker
commit 7af5650e81
1 changed files with 24 additions and 1 deletions
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25
tests/sys_hwprobe_test.cpp
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@ -30,10 +30,11 @@
#if __has_include(<sys/hwprobe.h>)
#include <sys/hwprobe.h>
#include <sys/syscall.h>
#endif
TEST(sys_hwprobe, __riscv_hwprobe) {
#if defined(__riscv) && __has_include(<sys/cachectl.h>)
#if defined(__riscv) && __has_include(<sys/hwprobe.h>)
riscv_hwprobe probes[] = {{.key = RISCV_HWPROBE_KEY_IMA_EXT_0},
{.key = RISCV_HWPROBE_KEY_CPUPERF_0}};
ASSERT_EQ(0, __riscv_hwprobe(probes, 2, 0, nullptr, 0));
@ -60,3 +61,25 @@ TEST(sys_hwprobe, __riscv_hwprobe) {
GTEST_SKIP() << "__riscv_hwprobe requires riscv64";
#endif
}
TEST(sys_hwprobe, __riscv_hwprobe_syscall_vdso) {
#if defined(__riscv) && __has_include(<sys/hwprobe.h>)
riscv_hwprobe probes_vdso[] = {{.key = RISCV_HWPROBE_KEY_IMA_EXT_0},
{.key = RISCV_HWPROBE_KEY_CPUPERF_0}};
ASSERT_EQ(0, __riscv_hwprobe(probes_vdso, 2, 0, nullptr, 0));
riscv_hwprobe probes_syscall[] = {{.key = RISCV_HWPROBE_KEY_IMA_EXT_0},
{.key = RISCV_HWPROBE_KEY_CPUPERF_0}};
ASSERT_EQ(0, syscall(SYS_riscv_hwprobe, probes_syscall, 2, 0, nullptr, 0));
// Check we got the same answers from the vdso and the syscall.
EXPECT_EQ(RISCV_HWPROBE_KEY_IMA_EXT_0, probes_syscall[0].key);
EXPECT_EQ(probes_vdso[0].key, probes_syscall[0].key);
EXPECT_EQ(probes_vdso[0].value, probes_syscall[0].value);
EXPECT_EQ(RISCV_HWPROBE_KEY_CPUPERF_0, probes_syscall[1].key);
EXPECT_EQ(probes_vdso[1].key, probes_syscall[1].key);
EXPECT_EQ(probes_vdso[1].value, probes_syscall[1].value);
#else
GTEST_SKIP() << "__riscv_hwprobe requires riscv64";
#endif
}