linux-kselftest-next-6.4-rc1
linux-kselftest-next-6.4-rc1 This Kselftest update for Linux 6.4-rc1 consists of: - several patches to enhance and fix resctrl test - nolibc support for kselftest with an addition to vprintf() to tools/nolibc/stdio and related test changes - Refactor 'peeksiginfo' ptrace test part - add 'malloc' failures checks in cgroup test_memcontrol - a new prctl test - enhancements sched test with additional ore schedule prctl calls -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmRFWfMACgkQCwJExA0N QxxXPg/9Fjo+jLEt6/CraOQeeyQsmzQkPiXutqrjUoUwaMGpOoon+En39g1eDAiZ 5iJE8lu47ldUJNp7Pn2THfcLXJ4Le+12s0imWuXaDf6VdFUNsyd9AZMfziMmeUGa 6GXLF+FUzT7uXbIuIrPvZmyX3QFL8WEcywmgFRlAyfLFcg37uUgiKSl7ATrgWCEw jlPELO2p2+t+EB0/n1VMoXup6tGD6tpuuNH50rDeRMTV+cW7wKTvJyFXbMvGThcx YfjzofYm+drX5gka/XQYynZehTNcbASjkvYYEqm3piwWCyfqt4Y1aOAA8fS9h+86 jKGF/pxz1Zcl7vgZW5WixKaJ+cMf8gfCMRsny6h2x2pmqKwqSJtg+jk8XqNkJQnh JKwRxosLjEQMyIRPMH9PUjBQD46VuC2nvu4SY5apxkbHH2iG8SKG/DNIpSFXB2m0 7BuziwKZe9uw671vaZU2b0r5eeCxETtuFwlHWN9Rl954g0zeueyUuBqg0ibpQois Jp2SvwVR+oXRLHoqDMrCEDk0WEGJ9WD/mMxW4iHGMYRwoXb1RCKzFWEoYw3dFAxw N/knx2IeEFshiKIAqaGnpER1chLe6ChX/5rDXkj1YLDwHEJdowHhE9/GxqGbhEUi zOzZIAGMVTOZp6g/TIutGYfpyxUAXj19eRoAbA/KkLmv4d+s1nY= =992w -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-next-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest updates from Shuah Khan: - several patches to enhance and fix resctrl test - nolibc support for kselftest with an addition to vprintf() to tools/nolibc/stdio and related test changes - Refactor 'peeksiginfo' ptrace test part - add 'malloc' failures checks in cgroup test_memcontrol - a new prctl test - enhancements sched test with additional ore schedule prctl calls * tag 'linux-kselftest-next-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits) selftests/resctrl: Fix incorrect error return on test complete selftests/resctrl: Remove duplicate codes that clear each test result file selftests/resctrl: Commonize the signal handler register/unregister for all tests selftests/resctrl: Cleanup properly when an error occurs in CAT test selftests/resctrl: Flush stdout file buffer before executing fork() selftests/resctrl: Return MBA check result and make it to output message selftests/resctrl: Fix set up schemata with 100% allocation on first run in MBM test selftests/resctrl: Use correct exit code when tests fail kselftest/arm64: Convert za-fork to use kselftest.h kselftest: Support nolibc tools/nolibc/stdio: Implement vprintf() selftests/resctrl: Correct get_llc_perf() param in function comment selftests/resctrl: Use remount_resctrlfs() consistently with boolean selftests/resctrl: Change name from CBM_MASK_PATH to INFO_PATH selftests/resctrl: Change initialize_llc_perf() return type to void selftests/resctrl: Replace obsolete memalign() with posix_memalign() selftests/resctrl: Check for return value after write_schemata() selftests/resctrl: Allow ->setup() to return errors selftests/resctrl: Move ->setup() call outside of test specific branches selftests/resctrl: Return NULL if malloc_and_init_memory() did not alloc mem ...
This commit is contained in:
Linus Torvalds
Коммит
0f50767d7e
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@ -273,6 +273,12 @@ int vfprintf(FILE *stream, const char *fmt, va_list args)
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return written;
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}
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static __attribute__((unused))
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int vprintf(const char *fmt, va_list args)
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{
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return vfprintf(stdout, fmt, args);
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}
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static __attribute__((unused, format(printf, 2, 3)))
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int fprintf(FILE *stream, const char *fmt, ...)
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{
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@ -58,6 +58,7 @@ TARGETS += nsfs
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TARGETS += pidfd
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TARGETS += pid_namespace
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TARGETS += powerpc
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TARGETS += prctl
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TARGETS += proc
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TARGETS += pstore
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TARGETS += ptrace
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@ -117,7 +117,7 @@ parse_gitsource()
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printf "Gitsource-$1-#$2 power consumption(J): $en_sum\n" | tee -a $OUTFILE_GIT.result
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# Permance is the number of run gitsource per second, denoted 1/t, where 1 is the number of run gitsource in t
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# senconds. It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J),
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# seconds. It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J),
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# and t is time measured in seconds(s). This means that performance per watt becomes
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# 1/t 1/t 1
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# ----- = ----- = ---
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@ -175,7 +175,7 @@ gather_gitsource()
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printf "Gitsource-$1 avg power consumption(J): $avg_en\n" | tee -a $OUTFILE_GIT.result
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# Permance is the number of run gitsource per second, denoted 1/t, where 1 is the number of run gitsource in t
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# senconds. It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J),
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# seconds. It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J),
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# and t is time measured in seconds(s). This means that performance per watt becomes
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# 1/t 1/t 1
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# ----- = ----- = ---
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@ -244,7 +244,7 @@ prerequisite()
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if [ "$scaling_driver" != "$CURRENT_TEST" ]; then
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echo "$0 # Skipped: Test can only run on $CURRENT_TEST driver or run comparative test."
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echo "$0 # Please set X86_AMD_PSTATE enabled or run comparative test."
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echo "$0 # Current cpufreq scaling drvier is $scaling_driver."
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echo "$0 # Current cpufreq scaling driver is $scaling_driver."
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exit $ksft_skip
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fi
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else
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@ -252,7 +252,7 @@ prerequisite()
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"tbench" | "gitsource")
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if [ "$scaling_driver" != "$COMPARATIVE_TEST" ]; then
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echo "$0 # Skipped: Comparison test can only run on $COMPARISON_TEST driver."
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echo "$0 # Current cpufreq scaling drvier is $scaling_driver."
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echo "$0 # Current cpufreq scaling driver is $scaling_driver."
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exit $ksft_skip
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fi
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;;
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@ -38,7 +38,7 @@ $(OUTPUT)/vec-syscfg: vec-syscfg.c $(OUTPUT)/rdvl.o
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$(OUTPUT)/vlset: vlset.c
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$(OUTPUT)/za-fork: za-fork.c $(OUTPUT)/za-fork-asm.o
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$(CC) -fno-asynchronous-unwind-tables -fno-ident -s -Os -nostdlib \
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-include ../../../../include/nolibc/nolibc.h \
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-include ../../../../include/nolibc/nolibc.h -I../..\
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-static -ffreestanding -Wall $^ -o $@
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$(OUTPUT)/za-ptrace: za-ptrace.c
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$(OUTPUT)/za-test: za-test.S $(OUTPUT)/asm-utils.o
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@ -9,43 +9,10 @@
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#include <linux/sched.h>
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#include <linux/wait.h>
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#include "kselftest.h"
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#define EXPECTED_TESTS 1
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static void putstr(const char *str)
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{
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write(1, str, strlen(str));
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}
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static void putnum(unsigned int num)
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{
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char c;
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if (num / 10)
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putnum(num / 10);
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c = '0' + (num % 10);
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write(1, &c, 1);
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}
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static int tests_run;
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static int tests_passed;
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static int tests_failed;
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static int tests_skipped;
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static void print_summary(void)
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{
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if (tests_passed + tests_failed + tests_skipped != EXPECTED_TESTS)
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putstr("# UNEXPECTED TEST COUNT: ");
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putstr("# Totals: pass:");
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putnum(tests_passed);
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putstr(" fail:");
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putnum(tests_failed);
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putstr(" xfail:0 xpass:0 skip:");
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putnum(tests_skipped);
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putstr(" error:0\n");
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}
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int fork_test(void);
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int verify_fork(void);
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@ -63,22 +30,21 @@ int fork_test_c(void)
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if (newpid == 0) {
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/* In child */
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if (!verify_fork()) {
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putstr("# ZA state invalid in child\n");
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ksft_print_msg("ZA state invalid in child\n");
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exit(0);
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} else {
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exit(1);
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}
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}
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if (newpid < 0) {
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putstr("# fork() failed: -");
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putnum(-newpid);
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putstr("\n");
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ksft_print_msg("fork() failed: %d\n", newpid);
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return 0;
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}
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parent_result = verify_fork();
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if (!parent_result)
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putstr("# ZA state invalid in parent\n");
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ksft_print_msg("ZA state invalid in parent\n");
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for (;;) {
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waiting = waitpid(newpid, &child_status, 0);
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@ -86,18 +52,16 @@ int fork_test_c(void)
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if (waiting < 0) {
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if (errno == EINTR)
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continue;
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putstr("# waitpid() failed: ");
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putnum(errno);
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putstr("\n");
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ksft_print_msg("waitpid() failed: %d\n", errno);
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return 0;
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}
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if (waiting != newpid) {
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putstr("# waitpid() returned wrong PID\n");
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ksft_print_msg("waitpid() returned wrong PID\n");
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return 0;
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}
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if (!WIFEXITED(child_status)) {
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putstr("# child did not exit\n");
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ksft_print_msg("child did not exit\n");
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return 0;
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}
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@ -105,29 +69,14 @@ int fork_test_c(void)
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}
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}
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#define run_test(name) \
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if (name()) { \
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tests_passed++; \
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} else { \
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tests_failed++; \
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putstr("not "); \
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} \
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putstr("ok "); \
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putnum(++tests_run); \
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putstr(" " #name "\n");
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int main(int argc, char **argv)
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{
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int ret, i;
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putstr("TAP version 13\n");
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putstr("1..");
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putnum(EXPECTED_TESTS);
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putstr("\n");
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ksft_print_header();
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ksft_set_plan(EXPECTED_TESTS);
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putstr("# PID: ");
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putnum(getpid());
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putstr("\n");
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ksft_print_msg("PID: %d\n", getpid());
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/*
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* This test is run with nolibc which doesn't support hwcap and
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@ -136,21 +85,16 @@ int main(int argc, char **argv)
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*/
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ret = open("/proc/sys/abi/sme_default_vector_length", O_RDONLY, 0);
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if (ret >= 0) {
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run_test(fork_test);
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ksft_test_result(fork_test(), "fork_test");
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} else {
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putstr("# SME support not present\n");
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ksft_print_msg("SME not supported\n");
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for (i = 0; i < EXPECTED_TESTS; i++) {
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putstr("ok ");
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putnum(i);
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putstr(" skipped\n");
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ksft_test_result_skip("fork_test\n");
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}
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tests_skipped += EXPECTED_TESTS;
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}
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print_summary();
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ksft_finished();
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return 0;
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}
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@ -98,6 +98,11 @@ static int alloc_anon_50M_check(const char *cgroup, void *arg)
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int ret = -1;
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buf = malloc(size);
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if (buf == NULL) {
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fprintf(stderr, "malloc() failed\n");
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return -1;
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}
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for (ptr = buf; ptr < buf + size; ptr += PAGE_SIZE)
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*ptr = 0;
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@ -211,6 +216,11 @@ static int alloc_anon_noexit(const char *cgroup, void *arg)
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char *buf, *ptr;
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buf = malloc(size);
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if (buf == NULL) {
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fprintf(stderr, "malloc() failed\n");
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return -1;
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}
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for (ptr = buf; ptr < buf + size; ptr += PAGE_SIZE)
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*ptr = 0;
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@ -778,6 +788,11 @@ static int alloc_anon_50M_check_swap(const char *cgroup, void *arg)
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int ret = -1;
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buf = malloc(size);
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if (buf == NULL) {
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fprintf(stderr, "malloc() failed\n");
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return -1;
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}
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for (ptr = buf; ptr < buf + size; ptr += PAGE_SIZE)
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*ptr = 0;
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@ -43,11 +43,13 @@
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#ifndef __KSELFTEST_H
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#define __KSELFTEST_H
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#ifndef NOLIBC
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <stdio.h>
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
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@ -2,3 +2,4 @@
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disable-tsc-ctxt-sw-stress-test
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disable-tsc-on-off-stress-test
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disable-tsc-test
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set-anon-vma-name-test
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@ -5,7 +5,7 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
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ifeq ($(ARCH),x86)
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TEST_PROGS := disable-tsc-ctxt-sw-stress-test disable-tsc-on-off-stress-test \
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disable-tsc-test
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disable-tsc-test set-anon-vma-name-test
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all: $(TEST_PROGS)
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include ../lib.mk
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@ -0,0 +1 @@
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CONFIG_ANON_VMA_NAME=y
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@ -0,0 +1,104 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* This test covers the anonymous VMA naming functionality through prctl calls
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*/
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#include <errno.h>
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#include <sys/prctl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/mman.h>
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#include <string.h>
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#include "../kselftest_harness.h"
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#define AREA_SIZE 1024
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#define GOOD_NAME "goodname"
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#define BAD_NAME "badname\1"
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#ifndef PR_SET_VMA
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#define PR_SET_VMA 0x53564d41
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#define PR_SET_VMA_ANON_NAME 0
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#endif
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int rename_vma(unsigned long addr, unsigned long size, char *name)
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{
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int res;
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res = prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, addr, size, name);
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if (res < 0)
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return -errno;
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return res;
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}
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int was_renaming_successful(char *target_name, unsigned long ptr)
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{
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FILE *maps_file;
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char line_buf[512], name[128], mode[8];
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unsigned long start_addr, end_addr, offset;
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unsigned int major_id, minor_id, node_id;
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char target_buf[128];
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int res = 0, sscanf_res;
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// The entry name in maps will be in format [anon:<target_name>]
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sprintf(target_buf, "[anon:%s]", target_name);
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maps_file = fopen("/proc/self/maps", "r");
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if (!maps_file) {
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printf("## /proc/self/maps file opening error\n");
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return 0;
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}
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// Parse the maps file to find the entry we renamed
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while (fgets(line_buf, sizeof(line_buf), maps_file)) {
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sscanf_res = sscanf(line_buf, "%lx-%lx %7s %lx %u:%u %u %s", &start_addr,
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&end_addr, mode, &offset, &major_id,
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&minor_id, &node_id, name);
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if (sscanf_res == EOF) {
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res = 0;
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printf("## EOF while parsing the maps file\n");
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break;
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}
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if (!strcmp(name, target_buf) && start_addr == ptr) {
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res = 1;
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break;
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}
|
||||
}
|
||||
fclose(maps_file);
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return res;
|
||||
}
|
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|
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FIXTURE(vma) {
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void *ptr_anon, *ptr_not_anon;
|
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};
|
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|
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FIXTURE_SETUP(vma) {
|
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self->ptr_anon = mmap(NULL, AREA_SIZE, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
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ASSERT_NE(self->ptr_anon, NULL);
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self->ptr_not_anon = mmap(NULL, AREA_SIZE, PROT_READ | PROT_WRITE,
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MAP_PRIVATE, 0, 0);
|
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ASSERT_NE(self->ptr_not_anon, NULL);
|
||||
}
|
||||
|
||||
FIXTURE_TEARDOWN(vma) {
|
||||
munmap(self->ptr_anon, AREA_SIZE);
|
||||
munmap(self->ptr_not_anon, AREA_SIZE);
|
||||
}
|
||||
|
||||
TEST_F(vma, renaming) {
|
||||
TH_LOG("Try to rename the VMA with correct parameters");
|
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EXPECT_GE(rename_vma((unsigned long)self->ptr_anon, AREA_SIZE, GOOD_NAME), 0);
|
||||
EXPECT_TRUE(was_renaming_successful(GOOD_NAME, (unsigned long)self->ptr_anon));
|
||||
|
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TH_LOG("Try to pass invalid name (with non-printable character \\1) to rename the VMA");
|
||||
EXPECT_EQ(rename_vma((unsigned long)self->ptr_anon, AREA_SIZE, BAD_NAME), -EINVAL);
|
||||
|
||||
TH_LOG("Try to rename non-anonynous VMA");
|
||||
EXPECT_EQ(rename_vma((unsigned long) self->ptr_not_anon, AREA_SIZE, GOOD_NAME), -EINVAL);
|
||||
}
|
||||
|
||||
TEST_HARNESS_MAIN
|
||||
|
|
@ -151,7 +151,7 @@ out:
|
|||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
siginfo_t siginfo[SIGNR];
|
||||
siginfo_t siginfo;
|
||||
int i, exit_code = 1;
|
||||
sigset_t blockmask;
|
||||
pid_t child;
|
||||
|
|
@ -176,13 +176,13 @@ int main(int argc, char *argv[])
|
|||
|
||||
/* Send signals in process-wide and per-thread queues */
|
||||
for (i = 0; i < SIGNR; i++) {
|
||||
siginfo->si_code = TEST_SICODE_SHARE;
|
||||
siginfo->si_int = i;
|
||||
sys_rt_sigqueueinfo(child, SIGRTMIN, siginfo);
|
||||
siginfo.si_code = TEST_SICODE_SHARE;
|
||||
siginfo.si_int = i;
|
||||
sys_rt_sigqueueinfo(child, SIGRTMIN, &siginfo);
|
||||
|
||||
siginfo->si_code = TEST_SICODE_PRIV;
|
||||
siginfo->si_int = i;
|
||||
sys_rt_tgsigqueueinfo(child, child, SIGRTMIN, siginfo);
|
||||
siginfo.si_code = TEST_SICODE_PRIV;
|
||||
siginfo.si_int = i;
|
||||
sys_rt_tgsigqueueinfo(child, child, SIGRTMIN, &siginfo);
|
||||
}
|
||||
|
||||
if (sys_ptrace(PTRACE_ATTACH, child, NULL, NULL) == -1)
|
||||
|
|
|
|||
|
|
@ -48,7 +48,7 @@ static int perf_event_open_llc_miss(pid_t pid, int cpu_no)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int initialize_llc_perf(void)
|
||||
static void initialize_llc_perf(void)
|
||||
{
|
||||
memset(&pea_llc_miss, 0, sizeof(struct perf_event_attr));
|
||||
memset(&rf_cqm, 0, sizeof(struct read_format));
|
||||
|
|
@ -59,8 +59,6 @@ static int initialize_llc_perf(void)
|
|||
pea_llc_miss.config = PERF_COUNT_HW_CACHE_MISSES;
|
||||
|
||||
rf_cqm.nr = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int reset_enable_llc_perf(pid_t pid, int cpu_no)
|
||||
|
|
@ -79,7 +77,7 @@ static int reset_enable_llc_perf(pid_t pid, int cpu_no)
|
|||
|
||||
/*
|
||||
* get_llc_perf: llc cache miss through perf events
|
||||
* @cpu_no: CPU number that the benchmark PID is binded to
|
||||
* @llc_perf_miss: LLC miss counter that is filled on success
|
||||
*
|
||||
* Perf events like HW_CACHE_MISSES could be used to validate number of
|
||||
* cache lines allocated.
|
||||
|
|
@ -234,20 +232,19 @@ int cat_val(struct resctrl_val_param *param)
|
|||
if (ret)
|
||||
return ret;
|
||||
|
||||
if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR))) {
|
||||
ret = initialize_llc_perf();
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR)))
|
||||
initialize_llc_perf();
|
||||
|
||||
/* Test runs until the callback setup() tells the test to stop. */
|
||||
while (1) {
|
||||
if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR))) {
|
||||
ret = param->setup(1, param);
|
||||
if (ret) {
|
||||
if (ret == END_OF_TESTS) {
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
if (ret < 0)
|
||||
break;
|
||||
ret = reset_enable_llc_perf(bm_pid, param->cpu_no);
|
||||
if (ret)
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -40,7 +40,7 @@ static int cat_setup(int num, ...)
|
|||
|
||||
/* Run NUM_OF_RUNS times */
|
||||
if (p->num_of_runs >= NUM_OF_RUNS)
|
||||
return -1;
|
||||
return END_OF_TESTS;
|
||||
|
||||
if (p->num_of_runs == 0) {
|
||||
sprintf(schemata, "%lx", p->mask);
|
||||
|
|
@ -103,7 +103,6 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type)
|
|||
unsigned long l_mask, l_mask_1;
|
||||
int ret, pipefd[2], sibling_cpu_no;
|
||||
char pipe_message;
|
||||
pid_t bm_pid;
|
||||
|
||||
cache_size = 0;
|
||||
|
||||
|
|
@ -145,7 +144,7 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type)
|
|||
struct resctrl_val_param param = {
|
||||
.resctrl_val = CAT_STR,
|
||||
.cpu_no = cpu_no,
|
||||
.mum_resctrlfs = 0,
|
||||
.mum_resctrlfs = false,
|
||||
.setup = cat_setup,
|
||||
};
|
||||
|
||||
|
|
@ -167,6 +166,7 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type)
|
|||
return errno;
|
||||
}
|
||||
|
||||
fflush(stdout);
|
||||
bm_pid = fork();
|
||||
|
||||
/* Set param values for child thread which will be allocated bitmask
|
||||
|
|
@ -180,28 +180,31 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type)
|
|||
strcpy(param.filename, RESULT_FILE_NAME1);
|
||||
param.num_of_runs = 0;
|
||||
param.cpu_no = sibling_cpu_no;
|
||||
} else {
|
||||
ret = signal_handler_register();
|
||||
if (ret) {
|
||||
kill(bm_pid, SIGKILL);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
remove(param.filename);
|
||||
|
||||
ret = cat_val(¶m);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = check_results(¶m);
|
||||
if (ret)
|
||||
return ret;
|
||||
if (ret == 0)
|
||||
ret = check_results(¶m);
|
||||
|
||||
if (bm_pid == 0) {
|
||||
/* Tell parent that child is ready */
|
||||
close(pipefd[0]);
|
||||
pipe_message = 1;
|
||||
if (write(pipefd[1], &pipe_message, sizeof(pipe_message)) <
|
||||
sizeof(pipe_message)) {
|
||||
close(pipefd[1]);
|
||||
sizeof(pipe_message))
|
||||
/*
|
||||
* Just print the error message.
|
||||
* Let while(1) run and wait for itself to be killed.
|
||||
*/
|
||||
perror("# failed signaling parent process");
|
||||
return errno;
|
||||
}
|
||||
|
||||
close(pipefd[1]);
|
||||
while (1)
|
||||
|
|
@ -219,11 +222,13 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type)
|
|||
}
|
||||
close(pipefd[0]);
|
||||
kill(bm_pid, SIGKILL);
|
||||
signal_handler_unregister();
|
||||
}
|
||||
|
||||
out:
|
||||
cat_test_cleanup();
|
||||
if (bm_pid)
|
||||
umount_resctrlfs();
|
||||
|
||||
return 0;
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -32,7 +32,7 @@ static int cmt_setup(int num, ...)
|
|||
|
||||
/* Run NUM_OF_RUNS times */
|
||||
if (p->num_of_runs >= NUM_OF_RUNS)
|
||||
return -1;
|
||||
return END_OF_TESTS;
|
||||
|
||||
p->num_of_runs++;
|
||||
|
||||
|
|
@ -82,12 +82,11 @@ void cmt_test_cleanup(void)
|
|||
|
||||
int cmt_resctrl_val(int cpu_no, int n, char **benchmark_cmd)
|
||||
{
|
||||
int ret, mum_resctrlfs;
|
||||
int ret;
|
||||
|
||||
cache_size = 0;
|
||||
mum_resctrlfs = 1;
|
||||
|
||||
ret = remount_resctrlfs(mum_resctrlfs);
|
||||
ret = remount_resctrlfs(true);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
|
|
@ -118,7 +117,7 @@ int cmt_resctrl_val(int cpu_no, int n, char **benchmark_cmd)
|
|||
.ctrlgrp = "c1",
|
||||
.mongrp = "m1",
|
||||
.cpu_no = cpu_no,
|
||||
.mum_resctrlfs = 0,
|
||||
.mum_resctrlfs = false,
|
||||
.filename = RESULT_FILE_NAME,
|
||||
.mask = ~(long_mask << n) & long_mask,
|
||||
.span = cache_size * n / count_of_bits,
|
||||
|
|
@ -133,13 +132,12 @@ int cmt_resctrl_val(int cpu_no, int n, char **benchmark_cmd)
|
|||
|
||||
ret = resctrl_val(benchmark_cmd, ¶m);
|
||||
if (ret)
|
||||
return ret;
|
||||
goto out;
|
||||
|
||||
ret = check_results(¶m, n);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
out:
|
||||
cmt_test_cleanup();
|
||||
|
||||
return 0;
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -14,7 +14,6 @@
|
|||
#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#include <inttypes.h>
|
||||
#include <malloc.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "resctrl.h"
|
||||
|
|
@ -33,14 +32,6 @@ static void sb(void)
|
|||
#endif
|
||||
}
|
||||
|
||||
static void ctrl_handler(int signo)
|
||||
{
|
||||
free(startptr);
|
||||
printf("\nEnding\n");
|
||||
sb();
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
static void cl_flush(void *p)
|
||||
{
|
||||
#if defined(__i386) || defined(__x86_64)
|
||||
|
|
@ -64,10 +55,14 @@ static void mem_flush(void *p, size_t s)
|
|||
|
||||
static void *malloc_and_init_memory(size_t s)
|
||||
{
|
||||
void *p = NULL;
|
||||
uint64_t *p64;
|
||||
size_t s64;
|
||||
int ret;
|
||||
|
||||
void *p = memalign(PAGE_SIZE, s);
|
||||
ret = posix_memalign(&p, PAGE_SIZE, s);
|
||||
if (ret < 0)
|
||||
return NULL;
|
||||
|
||||
p64 = (uint64_t *)p;
|
||||
s64 = s / sizeof(uint64_t);
|
||||
|
|
@ -198,12 +193,6 @@ int run_fill_buf(unsigned long span, int malloc_and_init_memory,
|
|||
unsigned long long cache_size = span;
|
||||
int ret;
|
||||
|
||||
/* set up ctrl-c handler */
|
||||
if (signal(SIGINT, ctrl_handler) == SIG_ERR)
|
||||
printf("Failed to catch SIGINT!\n");
|
||||
if (signal(SIGHUP, ctrl_handler) == SIG_ERR)
|
||||
printf("Failed to catch SIGHUP!\n");
|
||||
|
||||
ret = fill_cache(cache_size, malloc_and_init_memory, memflush, op,
|
||||
resctrl_val);
|
||||
if (ret) {
|
||||
|
|
|
|||
|
|
@ -28,6 +28,7 @@ static int mba_setup(int num, ...)
|
|||
struct resctrl_val_param *p;
|
||||
char allocation_str[64];
|
||||
va_list param;
|
||||
int ret;
|
||||
|
||||
va_start(param, num);
|
||||
p = va_arg(param, struct resctrl_val_param *);
|
||||
|
|
@ -41,20 +42,24 @@ static int mba_setup(int num, ...)
|
|||
return 0;
|
||||
|
||||
if (allocation < ALLOCATION_MIN || allocation > ALLOCATION_MAX)
|
||||
return -1;
|
||||
return END_OF_TESTS;
|
||||
|
||||
sprintf(allocation_str, "%d", allocation);
|
||||
|
||||
write_schemata(p->ctrlgrp, allocation_str, p->cpu_no, p->resctrl_val);
|
||||
ret = write_schemata(p->ctrlgrp, allocation_str, p->cpu_no,
|
||||
p->resctrl_val);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
allocation -= ALLOCATION_STEP;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void show_mba_info(unsigned long *bw_imc, unsigned long *bw_resc)
|
||||
static bool show_mba_info(unsigned long *bw_imc, unsigned long *bw_resc)
|
||||
{
|
||||
int allocation, runs;
|
||||
bool failed = false;
|
||||
bool ret = false;
|
||||
|
||||
ksft_print_msg("Results are displayed in (MB)\n");
|
||||
/* Memory bandwidth from 100% down to 10% */
|
||||
|
|
@ -90,13 +95,15 @@ static void show_mba_info(unsigned long *bw_imc, unsigned long *bw_resc)
|
|||
ksft_print_msg("avg_bw_imc: %lu\n", avg_bw_imc);
|
||||
ksft_print_msg("avg_bw_resc: %lu\n", avg_bw_resc);
|
||||
if (avg_diff_per > MAX_DIFF_PERCENT)
|
||||
failed = true;
|
||||
ret = true;
|
||||
}
|
||||
|
||||
ksft_print_msg("%s Check schemata change using MBA\n",
|
||||
failed ? "Fail:" : "Pass:");
|
||||
if (failed)
|
||||
ret ? "Fail:" : "Pass:");
|
||||
if (ret)
|
||||
ksft_print_msg("At least one test failed\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int check_results(void)
|
||||
|
|
@ -132,9 +139,7 @@ static int check_results(void)
|
|||
|
||||
fclose(fp);
|
||||
|
||||
show_mba_info(bw_imc, bw_resc);
|
||||
|
||||
return 0;
|
||||
return show_mba_info(bw_imc, bw_resc);
|
||||
}
|
||||
|
||||
void mba_test_cleanup(void)
|
||||
|
|
@ -149,7 +154,7 @@ int mba_schemata_change(int cpu_no, char *bw_report, char **benchmark_cmd)
|
|||
.ctrlgrp = "c1",
|
||||
.mongrp = "m1",
|
||||
.cpu_no = cpu_no,
|
||||
.mum_resctrlfs = 1,
|
||||
.mum_resctrlfs = true,
|
||||
.filename = RESULT_FILE_NAME,
|
||||
.bw_report = bw_report,
|
||||
.setup = mba_setup
|
||||
|
|
@ -160,13 +165,12 @@ int mba_schemata_change(int cpu_no, char *bw_report, char **benchmark_cmd)
|
|||
|
||||
ret = resctrl_val(benchmark_cmd, ¶m);
|
||||
if (ret)
|
||||
return ret;
|
||||
goto out;
|
||||
|
||||
ret = check_results();
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
out:
|
||||
mba_test_cleanup();
|
||||
|
||||
return 0;
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -89,23 +89,24 @@ static int check_results(int span)
|
|||
static int mbm_setup(int num, ...)
|
||||
{
|
||||
struct resctrl_val_param *p;
|
||||
static int num_of_runs;
|
||||
va_list param;
|
||||
int ret = 0;
|
||||
|
||||
/* Run NUM_OF_RUNS times */
|
||||
if (num_of_runs++ >= NUM_OF_RUNS)
|
||||
return -1;
|
||||
|
||||
va_start(param, num);
|
||||
p = va_arg(param, struct resctrl_val_param *);
|
||||
va_end(param);
|
||||
|
||||
/* Run NUM_OF_RUNS times */
|
||||
if (p->num_of_runs >= NUM_OF_RUNS)
|
||||
return END_OF_TESTS;
|
||||
|
||||
/* Set up shemata with 100% allocation on the first run. */
|
||||
if (num_of_runs == 0)
|
||||
if (p->num_of_runs == 0)
|
||||
ret = write_schemata(p->ctrlgrp, "100", p->cpu_no,
|
||||
p->resctrl_val);
|
||||
|
||||
p->num_of_runs++;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -122,7 +123,7 @@ int mbm_bw_change(int span, int cpu_no, char *bw_report, char **benchmark_cmd)
|
|||
.mongrp = "m1",
|
||||
.span = span,
|
||||
.cpu_no = cpu_no,
|
||||
.mum_resctrlfs = 1,
|
||||
.mum_resctrlfs = true,
|
||||
.filename = RESULT_FILE_NAME,
|
||||
.bw_report = bw_report,
|
||||
.setup = mbm_setup
|
||||
|
|
@ -133,13 +134,12 @@ int mbm_bw_change(int span, int cpu_no, char *bw_report, char **benchmark_cmd)
|
|||
|
||||
ret = resctrl_val(benchmark_cmd, ¶m);
|
||||
if (ret)
|
||||
return ret;
|
||||
goto out;
|
||||
|
||||
ret = check_results(span);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
out:
|
||||
mbm_test_cleanup();
|
||||
|
||||
return 0;
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -28,7 +28,7 @@
|
|||
#define MB (1024 * 1024)
|
||||
#define RESCTRL_PATH "/sys/fs/resctrl"
|
||||
#define PHYS_ID_PATH "/sys/devices/system/cpu/cpu"
|
||||
#define CBM_MASK_PATH "/sys/fs/resctrl/info"
|
||||
#define INFO_PATH "/sys/fs/resctrl/info"
|
||||
#define L3_PATH "/sys/fs/resctrl/info/L3"
|
||||
#define MB_PATH "/sys/fs/resctrl/info/MB"
|
||||
#define L3_MON_PATH "/sys/fs/resctrl/info/L3_MON"
|
||||
|
|
@ -37,6 +37,8 @@
|
|||
#define ARCH_INTEL 1
|
||||
#define ARCH_AMD 2
|
||||
|
||||
#define END_OF_TESTS 1
|
||||
|
||||
#define PARENT_EXIT(err_msg) \
|
||||
do { \
|
||||
perror(err_msg); \
|
||||
|
|
@ -62,7 +64,7 @@ struct resctrl_val_param {
|
|||
char mongrp[64];
|
||||
int cpu_no;
|
||||
unsigned long span;
|
||||
int mum_resctrlfs;
|
||||
bool mum_resctrlfs;
|
||||
char filename[64];
|
||||
char *bw_report;
|
||||
unsigned long mask;
|
||||
|
|
@ -107,6 +109,8 @@ void mba_test_cleanup(void);
|
|||
int get_cbm_mask(char *cache_type, char *cbm_mask);
|
||||
int get_cache_size(int cpu_no, char *cache_type, unsigned long *cache_size);
|
||||
void ctrlc_handler(int signum, siginfo_t *info, void *ptr);
|
||||
int signal_handler_register(void);
|
||||
void signal_handler_unregister(void);
|
||||
int cat_val(struct resctrl_val_param *param);
|
||||
void cat_test_cleanup(void);
|
||||
int cat_perf_miss_val(int cpu_no, int no_of_bits, char *cache_type);
|
||||
|
|
|
|||
|
|
@ -77,7 +77,7 @@ static void run_mbm_test(bool has_ben, char **benchmark_cmd, int span,
|
|||
|
||||
ksft_print_msg("Starting MBM BW change ...\n");
|
||||
|
||||
if (!validate_resctrl_feature_request(MBM_STR)) {
|
||||
if (!validate_resctrl_feature_request(MBM_STR) || (get_vendor() != ARCH_INTEL)) {
|
||||
ksft_test_result_skip("Hardware does not support MBM or MBM is disabled\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -88,7 +88,6 @@ static void run_mbm_test(bool has_ben, char **benchmark_cmd, int span,
|
|||
ksft_test_result(!res, "MBM: bw change\n");
|
||||
if ((get_vendor() == ARCH_INTEL) && res)
|
||||
ksft_print_msg("Intel MBM may be inaccurate when Sub-NUMA Clustering is enabled. Check BIOS configuration.\n");
|
||||
mbm_test_cleanup();
|
||||
}
|
||||
|
||||
static void run_mba_test(bool has_ben, char **benchmark_cmd, int span,
|
||||
|
|
@ -98,7 +97,7 @@ static void run_mba_test(bool has_ben, char **benchmark_cmd, int span,
|
|||
|
||||
ksft_print_msg("Starting MBA Schemata change ...\n");
|
||||
|
||||
if (!validate_resctrl_feature_request(MBA_STR)) {
|
||||
if (!validate_resctrl_feature_request(MBA_STR) || (get_vendor() != ARCH_INTEL)) {
|
||||
ksft_test_result_skip("Hardware does not support MBA or MBA is disabled\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -107,7 +106,6 @@ static void run_mba_test(bool has_ben, char **benchmark_cmd, int span,
|
|||
sprintf(benchmark_cmd[1], "%d", span);
|
||||
res = mba_schemata_change(cpu_no, bw_report, benchmark_cmd);
|
||||
ksft_test_result(!res, "MBA: schemata change\n");
|
||||
mba_test_cleanup();
|
||||
}
|
||||
|
||||
static void run_cmt_test(bool has_ben, char **benchmark_cmd, int cpu_no)
|
||||
|
|
@ -126,7 +124,6 @@ static void run_cmt_test(bool has_ben, char **benchmark_cmd, int cpu_no)
|
|||
ksft_test_result(!res, "CMT: test\n");
|
||||
if ((get_vendor() == ARCH_INTEL) && res)
|
||||
ksft_print_msg("Intel CMT may be inaccurate when Sub-NUMA Clustering is enabled. Check BIOS configuration.\n");
|
||||
cmt_test_cleanup();
|
||||
}
|
||||
|
||||
static void run_cat_test(int cpu_no, int no_of_bits)
|
||||
|
|
@ -142,7 +139,6 @@ static void run_cat_test(int cpu_no, int no_of_bits)
|
|||
|
||||
res = cat_perf_miss_val(cpu_no, no_of_bits, "L3");
|
||||
ksft_test_result(!res, "CAT: test\n");
|
||||
cat_test_cleanup();
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
|
|
@ -258,10 +254,10 @@ int main(int argc, char **argv)
|
|||
|
||||
ksft_set_plan(tests ? : 4);
|
||||
|
||||
if ((get_vendor() == ARCH_INTEL) && mbm_test)
|
||||
if (mbm_test)
|
||||
run_mbm_test(has_ben, benchmark_cmd, span, cpu_no, bw_report);
|
||||
|
||||
if ((get_vendor() == ARCH_INTEL) && mba_test)
|
||||
if (mba_test)
|
||||
run_mba_test(has_ben, benchmark_cmd, span, cpu_no, bw_report);
|
||||
|
||||
if (cmt_test)
|
||||
|
|
@ -272,5 +268,5 @@ int main(int argc, char **argv)
|
|||
|
||||
umount_resctrlfs();
|
||||
|
||||
return ksft_exit_pass();
|
||||
ksft_finished();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -476,6 +476,45 @@ void ctrlc_handler(int signum, siginfo_t *info, void *ptr)
|
|||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
/*
|
||||
* Register CTRL-C handler for parent, as it has to kill
|
||||
* child process before exiting.
|
||||
*/
|
||||
int signal_handler_register(void)
|
||||
{
|
||||
struct sigaction sigact;
|
||||
int ret = 0;
|
||||
|
||||
sigact.sa_sigaction = ctrlc_handler;
|
||||
sigemptyset(&sigact.sa_mask);
|
||||
sigact.sa_flags = SA_SIGINFO;
|
||||
if (sigaction(SIGINT, &sigact, NULL) ||
|
||||
sigaction(SIGTERM, &sigact, NULL) ||
|
||||
sigaction(SIGHUP, &sigact, NULL)) {
|
||||
perror("# sigaction");
|
||||
ret = -1;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Reset signal handler to SIG_DFL.
|
||||
* Non-Value return because the caller should keep
|
||||
* the error code of other path even if sigaction fails.
|
||||
*/
|
||||
void signal_handler_unregister(void)
|
||||
{
|
||||
struct sigaction sigact;
|
||||
|
||||
sigact.sa_handler = SIG_DFL;
|
||||
sigemptyset(&sigact.sa_mask);
|
||||
if (sigaction(SIGINT, &sigact, NULL) ||
|
||||
sigaction(SIGTERM, &sigact, NULL) ||
|
||||
sigaction(SIGHUP, &sigact, NULL)) {
|
||||
perror("# sigaction");
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* print_results_bw: the memory bandwidth results are stored in a file
|
||||
* @filename: file that stores the results
|
||||
|
|
@ -629,6 +668,7 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
|
|||
* Fork to start benchmark, save child's pid so that it can be killed
|
||||
* when needed
|
||||
*/
|
||||
fflush(stdout);
|
||||
bm_pid = fork();
|
||||
if (bm_pid == -1) {
|
||||
perror("# Unable to fork");
|
||||
|
|
@ -670,39 +710,28 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
|
|||
|
||||
ksft_print_msg("Benchmark PID: %d\n", bm_pid);
|
||||
|
||||
/*
|
||||
* Register CTRL-C handler for parent, as it has to kill benchmark
|
||||
* before exiting
|
||||
*/
|
||||
sigact.sa_sigaction = ctrlc_handler;
|
||||
sigemptyset(&sigact.sa_mask);
|
||||
sigact.sa_flags = SA_SIGINFO;
|
||||
if (sigaction(SIGINT, &sigact, NULL) ||
|
||||
sigaction(SIGTERM, &sigact, NULL) ||
|
||||
sigaction(SIGHUP, &sigact, NULL)) {
|
||||
perror("# sigaction");
|
||||
ret = errno;
|
||||
ret = signal_handler_register();
|
||||
if (ret)
|
||||
goto out;
|
||||
}
|
||||
|
||||
value.sival_ptr = benchmark_cmd;
|
||||
|
||||
/* Taskset benchmark to specified cpu */
|
||||
ret = taskset_benchmark(bm_pid, param->cpu_no);
|
||||
if (ret)
|
||||
goto out;
|
||||
goto unregister;
|
||||
|
||||
/* Write benchmark to specified control&monitoring grp in resctrl FS */
|
||||
ret = write_bm_pid_to_resctrl(bm_pid, param->ctrlgrp, param->mongrp,
|
||||
resctrl_val);
|
||||
if (ret)
|
||||
goto out;
|
||||
goto unregister;
|
||||
|
||||
if (!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)) ||
|
||||
!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR))) {
|
||||
ret = initialize_mem_bw_imc();
|
||||
if (ret)
|
||||
goto out;
|
||||
goto unregister;
|
||||
|
||||
initialize_mem_bw_resctrl(param->ctrlgrp, param->mongrp,
|
||||
param->cpu_no, resctrl_val);
|
||||
|
|
@ -717,7 +746,7 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
|
|||
sizeof(pipe_message)) {
|
||||
perror("# failed reading message from child process");
|
||||
close(pipefd[0]);
|
||||
goto out;
|
||||
goto unregister;
|
||||
}
|
||||
}
|
||||
close(pipefd[0]);
|
||||
|
|
@ -726,7 +755,7 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
|
|||
if (sigqueue(bm_pid, SIGUSR1, value) == -1) {
|
||||
perror("# sigqueue SIGUSR1 to child");
|
||||
ret = errno;
|
||||
goto out;
|
||||
goto unregister;
|
||||
}
|
||||
|
||||
/* Give benchmark enough time to fully run */
|
||||
|
|
@ -734,32 +763,29 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
|
|||
|
||||
/* Test runs until the callback setup() tells the test to stop. */
|
||||
while (1) {
|
||||
ret = param->setup(1, param);
|
||||
if (ret == END_OF_TESTS) {
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
if (ret < 0)
|
||||
break;
|
||||
|
||||
if (!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)) ||
|
||||
!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR))) {
|
||||
ret = param->setup(1, param);
|
||||
if (ret) {
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
ret = measure_vals(param, &bw_resc_start);
|
||||
if (ret)
|
||||
break;
|
||||
} else if (!strncmp(resctrl_val, CMT_STR, sizeof(CMT_STR))) {
|
||||
ret = param->setup(1, param);
|
||||
if (ret) {
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
sleep(1);
|
||||
ret = measure_cache_vals(param, bm_pid);
|
||||
if (ret)
|
||||
break;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
unregister:
|
||||
signal_handler_unregister();
|
||||
out:
|
||||
kill(bm_pid, SIGKILL);
|
||||
umount_resctrlfs();
|
||||
|
|
|
|||
|
|
@ -210,7 +210,7 @@ int get_cbm_mask(char *cache_type, char *cbm_mask)
|
|||
if (!cbm_mask)
|
||||
return -1;
|
||||
|
||||
sprintf(cbm_mask_path, "%s/%s/cbm_mask", CBM_MASK_PATH, cache_type);
|
||||
sprintf(cbm_mask_path, "%s/%s/cbm_mask", INFO_PATH, cache_type);
|
||||
|
||||
fp = fopen(cbm_mask_path, "r");
|
||||
if (!fp) {
|
||||
|
|
@ -498,6 +498,7 @@ int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, char *resctrl_val)
|
|||
FILE *fp;
|
||||
|
||||
if (strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR)) &&
|
||||
strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)) &&
|
||||
strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR)) &&
|
||||
strncmp(resctrl_val, CMT_STR, sizeof(CMT_STR)))
|
||||
return -ENOENT;
|
||||
|
|
@ -523,7 +524,8 @@ int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, char *resctrl_val)
|
|||
if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR)) ||
|
||||
!strncmp(resctrl_val, CMT_STR, sizeof(CMT_STR)))
|
||||
sprintf(schema, "%s%d%c%s", "L3:", resource_id, '=', schemata);
|
||||
if (!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR)))
|
||||
if (!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR)) ||
|
||||
!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)))
|
||||
sprintf(schema, "%s%d%c%s", "MB:", resource_id, '=', schemata);
|
||||
|
||||
fp = fopen(controlgroup, "w");
|
||||
|
|
@ -676,6 +678,7 @@ int filter_dmesg(void)
|
|||
perror("pipe");
|
||||
return ret;
|
||||
}
|
||||
fflush(stdout);
|
||||
pid = fork();
|
||||
if (pid == 0) {
|
||||
close(pipefds[0]);
|
||||
|
|
|
|||
|
|
@ -334,6 +334,12 @@ int main(int argc, char *argv[])
|
|||
validate(get_cs_cookie(pid) != 0);
|
||||
validate(get_cs_cookie(pid) == get_cs_cookie(procs[pidx].thr_tids[0]));
|
||||
|
||||
validate(_prctl(PR_SCHED_CORE, PR_SCHED_CORE_MAX, 0, PIDTYPE_PGID, 0) < 0
|
||||
&& errno == EINVAL);
|
||||
|
||||
validate(_prctl(PR_SCHED_CORE, PR_SCHED_CORE_SHARE_TO, 0, PIDTYPE_PGID, 1) < 0
|
||||
&& errno == EINVAL);
|
||||
|
||||
if (errors) {
|
||||
printf("TESTS FAILED. errors: %d\n", errors);
|
||||
res = 10;
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче