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| author | Peter Zijlstra <peterz@infradead.org> | 2021-10-07 00:40:17 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-10-07 00:40:17 +0200 |
| commit | b08cadbd3b8721db738d9a00ef3ce3ed667e6d9c (patch) | |
| tree | 1b44ef760764ea19f82fd80088135d23ab565d2d /tools/testing/selftests/kvm/steal_time.c | |
| parent | db2b0c5d7b6f19b3c2cab08c531b65342eb5252b (diff) | |
| parent | fe255fe6ad97685e5a4be0d871f43288dbc10ad6 (diff) | |
| download | cachepc-linux-b08cadbd3b8721db738d9a00ef3ce3ed667e6d9c.tar.gz cachepc-linux-b08cadbd3b8721db738d9a00ef3ce3ed667e6d9c.zip | |
Merge branch 'objtool/urgent'
Fixup conflicts.
# Conflicts:
# tools/objtool/check.c
Diffstat (limited to 'tools/testing/selftests/kvm/steal_time.c')
| -rw-r--r-- | tools/testing/selftests/kvm/steal_time.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c index ecec30865a74..62f2eb9ee3d5 100644 --- a/tools/testing/selftests/kvm/steal_time.c +++ b/tools/testing/selftests/kvm/steal_time.c @@ -10,7 +10,6 @@ #include <sched.h> #include <pthread.h> #include <linux/kernel.h> -#include <sys/syscall.h> #include <asm/kvm.h> #include <asm/kvm_para.h> @@ -20,7 +19,6 @@ #define NR_VCPUS 4 #define ST_GPA_BASE (1 << 30) -#define MIN_RUN_DELAY_NS 200000UL static void *st_gva[NR_VCPUS]; static uint64_t guest_stolen_time[NR_VCPUS]; @@ -118,12 +116,12 @@ struct st_time { uint64_t st_time; }; -static int64_t smccc(uint32_t func, uint32_t arg) +static int64_t smccc(uint32_t func, uint64_t arg) { unsigned long ret; asm volatile( - "mov x0, %1\n" + "mov w0, %w1\n" "mov x1, %2\n" "hvc #0\n" "mov %0, x0\n" @@ -217,20 +215,6 @@ static void steal_time_dump(struct kvm_vm *vm, uint32_t vcpuid) #endif -static long get_run_delay(void) -{ - char path[64]; - long val[2]; - FILE *fp; - - sprintf(path, "/proc/%ld/schedstat", syscall(SYS_gettid)); - fp = fopen(path, "r"); - fscanf(fp, "%ld %ld ", &val[0], &val[1]); - fclose(fp); - - return val[1]; -} - static void *do_steal_time(void *arg) { struct timespec ts, stop; |