diff options
Diffstat (limited to 'tools')
21 files changed, 408 insertions, 101 deletions
diff --git a/tools/arch/x86/include/uapi/asm/vmx.h b/tools/arch/x86/include/uapi/asm/vmx.h index 3eb8411ab60e..e95b72ec19bc 100644 --- a/tools/arch/x86/include/uapi/asm/vmx.h +++ b/tools/arch/x86/include/uapi/asm/vmx.h @@ -33,7 +33,7 @@ #define EXIT_REASON_TRIPLE_FAULT 2 #define EXIT_REASON_INIT_SIGNAL 3 -#define EXIT_REASON_PENDING_INTERRUPT 7 +#define EXIT_REASON_INTERRUPT_WINDOW 7 #define EXIT_REASON_NMI_WINDOW 8 #define EXIT_REASON_TASK_SWITCH 9 #define EXIT_REASON_CPUID 10 @@ -94,7 +94,7 @@ { EXIT_REASON_EXTERNAL_INTERRUPT, "EXTERNAL_INTERRUPT" }, \ { EXIT_REASON_TRIPLE_FAULT, "TRIPLE_FAULT" }, \ { EXIT_REASON_INIT_SIGNAL, "INIT_SIGNAL" }, \ - { EXIT_REASON_PENDING_INTERRUPT, "PENDING_INTERRUPT" }, \ + { EXIT_REASON_INTERRUPT_WINDOW, "INTERRUPT_WINDOW" }, \ { EXIT_REASON_NMI_WINDOW, "NMI_WINDOW" }, \ { EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, \ { EXIT_REASON_CPUID, "CPUID" }, \ diff --git a/tools/arch/x86/lib/x86-opcode-map.txt b/tools/arch/x86/lib/x86-opcode-map.txt index 8908c58bd6cd..53adc1762ec0 100644 --- a/tools/arch/x86/lib/x86-opcode-map.txt +++ b/tools/arch/x86/lib/x86-opcode-map.txt @@ -929,7 +929,7 @@ EndTable GrpTable: Grp3_2 0: TEST Ev,Iz -1: +1: TEST Ev,Iz 2: NOT Ev 3: NEG Ev 4: MUL rAX,Ev diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c index aea2d91ab364..16d629b22c25 100644 --- a/tools/hv/hv_fcopy_daemon.c +++ b/tools/hv/hv_fcopy_daemon.c @@ -80,6 +80,8 @@ static int hv_start_fcopy(struct hv_start_fcopy *smsg) error = 0; done: + if (error) + target_fname[0] = '\0'; return error; } @@ -108,15 +110,29 @@ static int hv_copy_data(struct hv_do_fcopy *cpmsg) return ret; } +/* + * Reset target_fname to "" in the two below functions for hibernation: if + * the fcopy operation is aborted by hibernation, the daemon should remove the + * partially-copied file; to achieve this, the hv_utils driver always fakes a + * CANCEL_FCOPY message upon suspend, and later when the VM resumes back, + * the daemon calls hv_copy_cancel() to remove the file; if a file is copied + * successfully before suspend, hv_copy_finished() must reset target_fname to + * avoid that the file can be incorrectly removed upon resume, since the faked + * CANCEL_FCOPY message is spurious in this case. + */ static int hv_copy_finished(void) { close(target_fd); + target_fname[0] = '\0'; return 0; } static int hv_copy_cancel(void) { close(target_fd); - unlink(target_fname); + if (strlen(target_fname) > 0) { + unlink(target_fname); + target_fname[0] = '\0'; + } return 0; } @@ -131,7 +147,7 @@ void print_usage(char *argv[]) int main(int argc, char *argv[]) { - int fcopy_fd; + int fcopy_fd = -1; int error; int daemonize = 1, long_index = 0, opt; int version = FCOPY_CURRENT_VERSION; @@ -141,7 +157,7 @@ int main(int argc, char *argv[]) struct hv_do_fcopy copy; __u32 kernel_modver; } buffer = { }; - int in_handshake = 1; + int in_handshake; static struct option long_options[] = { {"help", no_argument, 0, 'h' }, @@ -170,6 +186,12 @@ int main(int argc, char *argv[]) openlog("HV_FCOPY", 0, LOG_USER); syslog(LOG_INFO, "starting; pid is:%d", getpid()); +reopen_fcopy_fd: + if (fcopy_fd != -1) + close(fcopy_fd); + /* Remove any possible partially-copied file on error */ + hv_copy_cancel(); + in_handshake = 1; fcopy_fd = open("/dev/vmbus/hv_fcopy", O_RDWR); if (fcopy_fd < 0) { @@ -196,7 +218,7 @@ int main(int argc, char *argv[]) len = pread(fcopy_fd, &buffer, sizeof(buffer), 0); if (len < 0) { syslog(LOG_ERR, "pread failed: %s", strerror(errno)); - exit(EXIT_FAILURE); + goto reopen_fcopy_fd; } if (in_handshake) { @@ -231,9 +253,14 @@ int main(int argc, char *argv[]) } + /* + * pwrite() may return an error due to the faked CANCEL_FCOPY + * message upon hibernation. Ignore the error by resetting the + * dev file, i.e. closing and re-opening it. + */ if (pwrite(fcopy_fd, &error, sizeof(int), 0) != sizeof(int)) { syslog(LOG_ERR, "pwrite failed: %s", strerror(errno)); - exit(EXIT_FAILURE); + goto reopen_fcopy_fd; } } } diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index e9ef4ca6a655..ee9c1bb2293e 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -76,7 +76,7 @@ enum { DNS }; -static int in_hand_shake = 1; +static int in_hand_shake; static char *os_name = ""; static char *os_major = ""; @@ -1360,7 +1360,7 @@ void print_usage(char *argv[]) int main(int argc, char *argv[]) { - int kvp_fd, len; + int kvp_fd = -1, len; int error; struct pollfd pfd; char *p; @@ -1400,14 +1400,6 @@ int main(int argc, char *argv[]) openlog("KVP", 0, LOG_USER); syslog(LOG_INFO, "KVP starting; pid is:%d", getpid()); - kvp_fd = open("/dev/vmbus/hv_kvp", O_RDWR | O_CLOEXEC); - - if (kvp_fd < 0) { - syslog(LOG_ERR, "open /dev/vmbus/hv_kvp failed; error: %d %s", - errno, strerror(errno)); - exit(EXIT_FAILURE); - } - /* * Retrieve OS release information. */ @@ -1423,6 +1415,18 @@ int main(int argc, char *argv[]) exit(EXIT_FAILURE); } +reopen_kvp_fd: + if (kvp_fd != -1) + close(kvp_fd); + in_hand_shake = 1; + kvp_fd = open("/dev/vmbus/hv_kvp", O_RDWR | O_CLOEXEC); + + if (kvp_fd < 0) { + syslog(LOG_ERR, "open /dev/vmbus/hv_kvp failed; error: %d %s", + errno, strerror(errno)); + exit(EXIT_FAILURE); + } + /* * Register ourselves with the kernel. */ @@ -1456,9 +1460,7 @@ int main(int argc, char *argv[]) if (len != sizeof(struct hv_kvp_msg)) { syslog(LOG_ERR, "read failed; error:%d %s", errno, strerror(errno)); - - close(kvp_fd); - return EXIT_FAILURE; + goto reopen_kvp_fd; } /* @@ -1617,13 +1619,17 @@ int main(int argc, char *argv[]) break; } - /* Send the value back to the kernel. */ + /* + * Send the value back to the kernel. Note: the write() may + * return an error due to hibernation; we can ignore the error + * by resetting the dev file, i.e. closing and re-opening it. + */ kvp_done: len = write(kvp_fd, hv_msg, sizeof(struct hv_kvp_msg)); if (len != sizeof(struct hv_kvp_msg)) { syslog(LOG_ERR, "write failed; error: %d %s", errno, strerror(errno)); - exit(EXIT_FAILURE); + goto reopen_kvp_fd; } } diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c index 92902a88f671..dd111870beee 100644 --- a/tools/hv/hv_vss_daemon.c +++ b/tools/hv/hv_vss_daemon.c @@ -28,6 +28,8 @@ #include <stdbool.h> #include <dirent.h> +static bool fs_frozen; + /* Don't use syslog() in the function since that can cause write to disk */ static int vss_do_freeze(char *dir, unsigned int cmd) { @@ -155,18 +157,27 @@ static int vss_operate(int operation) continue; } error |= vss_do_freeze(ent->mnt_dir, cmd); - if (error && operation == VSS_OP_FREEZE) - goto err; + if (operation == VSS_OP_FREEZE) { + if (error) + goto err; + fs_frozen = true; + } } endmntent(mounts); if (root_seen) { error |= vss_do_freeze("/", cmd); - if (error && operation == VSS_OP_FREEZE) - goto err; + if (operation == VSS_OP_FREEZE) { + if (error) + goto err; + fs_frozen = true; + } } + if (operation == VSS_OP_THAW && !error) + fs_frozen = false; + goto out; err: save_errno = errno; @@ -175,6 +186,7 @@ err: endmntent(mounts); } vss_operate(VSS_OP_THAW); + fs_frozen = false; /* Call syslog after we thaw all filesystems */ if (ent) syslog(LOG_ERR, "FREEZE of %s failed; error:%d %s", @@ -196,13 +208,13 @@ void print_usage(char *argv[]) int main(int argc, char *argv[]) { - int vss_fd, len; + int vss_fd = -1, len; int error; struct pollfd pfd; int op; struct hv_vss_msg vss_msg[1]; int daemonize = 1, long_index = 0, opt; - int in_handshake = 1; + int in_handshake; __u32 kernel_modver; static struct option long_options[] = { @@ -232,6 +244,18 @@ int main(int argc, char *argv[]) openlog("Hyper-V VSS", 0, LOG_USER); syslog(LOG_INFO, "VSS starting; pid is:%d", getpid()); +reopen_vss_fd: + if (vss_fd != -1) + close(vss_fd); + if (fs_frozen) { + if (vss_operate(VSS_OP_THAW) || fs_frozen) { + syslog(LOG_ERR, "failed to thaw file system: err=%d", + errno); + exit(EXIT_FAILURE); + } + } + + in_handshake = 1; vss_fd = open("/dev/vmbus/hv_vss", O_RDWR); if (vss_fd < 0) { syslog(LOG_ERR, "open /dev/vmbus/hv_vss failed; error: %d %s", @@ -284,8 +308,7 @@ int main(int argc, char *argv[]) if (len != sizeof(struct hv_vss_msg)) { syslog(LOG_ERR, "read failed; error:%d %s", errno, strerror(errno)); - close(vss_fd); - return EXIT_FAILURE; + goto reopen_vss_fd; } op = vss_msg->vss_hdr.operation; @@ -312,14 +335,18 @@ int main(int argc, char *argv[]) default: syslog(LOG_ERR, "Illegal op:%d\n", op); } + + /* + * The write() may return an error due to the faked VSS_OP_THAW + * message upon hibernation. Ignore the error by resetting the + * dev file, i.e. closing and re-opening it. + */ vss_msg->error = error; len = write(vss_fd, vss_msg, sizeof(struct hv_vss_msg)); if (len != sizeof(struct hv_vss_msg)) { syslog(LOG_ERR, "write failed; error: %d %s", errno, strerror(errno)); - - if (op == VSS_OP_FREEZE) - vss_operate(VSS_OP_THAW); + goto reopen_vss_fd; } } diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h index 140c8362f113..5fca38fe1ba8 100644 --- a/tools/include/linux/bitops.h +++ b/tools/include/linux/bitops.h @@ -14,10 +14,11 @@ #include <linux/bits.h> #include <linux/compiler.h> -#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) -#define BITS_TO_U64(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u64)) -#define BITS_TO_U32(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u32)) -#define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE) +#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(long)) +#define BITS_TO_U64(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(u64)) +#define BITS_TO_U32(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(u32)) +#define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char)) extern unsigned int __sw_hweight8(unsigned int w); extern unsigned int __sw_hweight16(unsigned int w); diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat index ad1b9e646c49..4cf93110c259 100755 --- a/tools/kvm/kvm_stat/kvm_stat +++ b/tools/kvm/kvm_stat/kvm_stat @@ -270,6 +270,7 @@ class ArchX86(Arch): def __init__(self, exit_reasons): self.sc_perf_evt_open = 298 self.ioctl_numbers = IOCTL_NUMBERS + self.exit_reason_field = 'exit_reason' self.exit_reasons = exit_reasons def debugfs_is_child(self, field): @@ -289,6 +290,7 @@ class ArchPPC(Arch): # numbers depend on the wordsize. char_ptr_size = ctypes.sizeof(ctypes.c_char_p) self.ioctl_numbers['SET_FILTER'] = 0x80002406 | char_ptr_size << 16 + self.exit_reason_field = 'exit_nr' self.exit_reasons = {} def debugfs_is_child(self, field): @@ -300,6 +302,7 @@ class ArchA64(Arch): def __init__(self): self.sc_perf_evt_open = 241 self.ioctl_numbers = IOCTL_NUMBERS + self.exit_reason_field = 'esr_ec' self.exit_reasons = AARCH64_EXIT_REASONS def debugfs_is_child(self, field): @@ -311,6 +314,7 @@ class ArchS390(Arch): def __init__(self): self.sc_perf_evt_open = 331 self.ioctl_numbers = IOCTL_NUMBERS + self.exit_reason_field = None self.exit_reasons = None def debugfs_is_child(self, field): @@ -541,8 +545,8 @@ class TracepointProvider(Provider): """ filters = {} filters['kvm_userspace_exit'] = ('reason', USERSPACE_EXIT_REASONS) - if ARCH.exit_reasons: - filters['kvm_exit'] = ('exit_reason', ARCH.exit_reasons) + if ARCH.exit_reason_field and ARCH.exit_reasons: + filters['kvm_exit'] = (ARCH.exit_reason_field, ARCH.exit_reasons) return filters def _get_available_fields(self): diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c index 2f55d4d23446..6e04304560ca 100644 --- a/tools/power/cpupower/lib/cpufreq.c +++ b/tools/power/cpupower/lib/cpufreq.c @@ -332,21 +332,74 @@ void cpufreq_put_available_governors(struct cpufreq_available_governors *any) } -struct cpufreq_frequencies -*cpufreq_get_frequencies(const char *type, unsigned int cpu) +struct cpufreq_available_frequencies +*cpufreq_get_available_frequencies(unsigned int cpu) { - struct cpufreq_frequencies *first = NULL; - struct cpufreq_frequencies *current = NULL; + struct cpufreq_available_frequencies *first = NULL; + struct cpufreq_available_frequencies *current = NULL; char one_value[SYSFS_PATH_MAX]; char linebuf[MAX_LINE_LEN]; - char fname[MAX_LINE_LEN]; unsigned int pos, i; unsigned int len; - snprintf(fname, MAX_LINE_LEN, "scaling_%s_frequencies", type); + len = sysfs_cpufreq_read_file(cpu, "scaling_available_frequencies", + linebuf, sizeof(linebuf)); + if (len == 0) + return NULL; - len = sysfs_cpufreq_read_file(cpu, fname, - linebuf, sizeof(linebuf)); + pos = 0; + for (i = 0; i < len; i++) { + if (linebuf[i] == ' ' || linebuf[i] == '\n') { + if (i - pos < 2) + continue; + if (i - pos >= SYSFS_PATH_MAX) + goto error_out; + if (current) { + current->next = malloc(sizeof(*current)); + if (!current->next) + goto error_out; + current = current->next; + } else { + first = malloc(sizeof(*first)); + if (!first) + goto error_out; + current = first; + } + current->first = first; + current->next = NULL; + + memcpy(one_value, linebuf + pos, i - pos); + one_value[i - pos] = '\0'; + if (sscanf(one_value, "%lu", ¤t->frequency) != 1) + goto error_out; + + pos = i + 1; + } + } + + return first; + + error_out: + while (first) { + current = first->next; + free(first); + first = current; + } + return NULL; +} + +struct cpufreq_available_frequencies +*cpufreq_get_boost_frequencies(unsigned int cpu) +{ + struct cpufreq_available_frequencies *first = NULL; + struct cpufreq_available_frequencies *current = NULL; + char one_value[SYSFS_PATH_MAX]; + char linebuf[MAX_LINE_LEN]; + unsigned int pos, i; + unsigned int len; + + len = sysfs_cpufreq_read_file(cpu, "scaling_boost_frequencies", + linebuf, sizeof(linebuf)); if (len == 0) return NULL; @@ -391,9 +444,9 @@ struct cpufreq_frequencies return NULL; } -void cpufreq_put_frequencies(struct cpufreq_frequencies *any) +void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies *any) { - struct cpufreq_frequencies *tmp, *next; + struct cpufreq_available_frequencies *tmp, *next; if (!any) return; @@ -406,6 +459,11 @@ void cpufreq_put_frequencies(struct cpufreq_frequencies *any) } } +void cpufreq_put_boost_frequencies(struct cpufreq_available_frequencies *any) +{ + cpufreq_put_available_frequencies(any); +} + static struct cpufreq_affected_cpus *sysfs_get_cpu_list(unsigned int cpu, const char *file) { diff --git a/tools/power/cpupower/lib/cpufreq.h b/tools/power/cpupower/lib/cpufreq.h index a55f0d19215b..95f4fd9e2656 100644 --- a/tools/power/cpupower/lib/cpufreq.h +++ b/tools/power/cpupower/lib/cpufreq.h @@ -20,10 +20,10 @@ struct cpufreq_available_governors { struct cpufreq_available_governors *first; }; -struct cpufreq_frequencies { +struct cpufreq_available_frequencies { unsigned long frequency; - struct cpufreq_frequencies *next; - struct cpufreq_frequencies *first; + struct cpufreq_available_frequencies *next; + struct cpufreq_available_frequencies *first; }; @@ -124,11 +124,17 @@ void cpufreq_put_available_governors( * cpufreq_put_frequencies after use. */ -struct cpufreq_frequencies -*cpufreq_get_frequencies(const char *type, unsigned int cpu); +struct cpufreq_available_frequencies +*cpufreq_get_available_frequencies(unsigned int cpu); -void cpufreq_put_frequencies( - struct cpufreq_frequencies *first); +void cpufreq_put_available_frequencies( + struct cpufreq_available_frequencies *first); + +struct cpufreq_available_frequencies +*cpufreq_get_boost_frequencies(unsigned int cpu); + +void cpufreq_put_boost_frequencies( + struct cpufreq_available_frequencies *first); /* determine affected CPUs diff --git a/tools/power/cpupower/man/cpupower.1 b/tools/power/cpupower/man/cpupower.1 index baf741d06e82..a5e4523a219b 100644 --- a/tools/power/cpupower/man/cpupower.1 +++ b/tools/power/cpupower/man/cpupower.1 @@ -62,9 +62,9 @@ all cores Print the package name and version number. .SH "SEE ALSO" -cpupower-set(1), cpupower-info(1), cpupower-idle(1), -cpupower-frequency-set(1), cpupower-frequency-info(1), cpupower-monitor(1), -powertop(1) +cpupower-set(1), cpupower-info(1), cpupower-idle-info(1), +cpupower-idle-set(1), cpupower-frequency-set(1), cpupower-frequency-info(1), +cpupower-monitor(1), powertop(1) .PP .SH AUTHORS .nf diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c index e63cf55f81cf..6efc0f6b1b11 100644 --- a/tools/power/cpupower/utils/cpufreq-info.c +++ b/tools/power/cpupower/utils/cpufreq-info.c @@ -244,14 +244,14 @@ static int get_boost_mode_x86(unsigned int cpu) static int get_boost_mode(unsigned int cpu) { - struct cpufreq_frequencies *freqs; + struct cpufreq_available_frequencies *freqs; if (cpupower_cpu_info.vendor == X86_VENDOR_AMD || cpupower_cpu_info.vendor == X86_VENDOR_HYGON || cpupower_cpu_info.vendor == X86_VENDOR_INTEL) return get_boost_mode_x86(cpu); - freqs = cpufreq_get_frequencies("boost", cpu); + freqs = cpufreq_get_boost_frequencies(cpu); if (freqs) { printf(_(" boost frequency steps: ")); while (freqs->next) { @@ -261,7 +261,7 @@ static int get_boost_mode(unsigned int cpu) } print_speed(freqs->frequency); printf("\n"); - cpufreq_put_frequencies(freqs); + cpufreq_put_available_frequencies(freqs); } return 0; @@ -475,7 +475,7 @@ static int get_latency(unsigned int cpu, unsigned int human) static void debug_output_one(unsigned int cpu) { - struct cpufreq_frequencies *freqs; + struct cpufreq_available_frequencies *freqs; get_driver(cpu); get_related_cpus(cpu); @@ -483,7 +483,7 @@ static void debug_output_one(unsigned int cpu) get_latency(cpu, 1); get_hardware_limits(cpu, 1); - freqs = cpufreq_get_frequencies("available", cpu); + freqs = cpufreq_get_available_frequencies(cpu); if (freqs) { printf(_(" available frequency steps: ")); while (freqs->next) { @@ -493,7 +493,7 @@ static void debug_output_one(unsigned int cpu) } print_speed(freqs->frequency); printf("\n"); - cpufreq_put_frequencies(freqs); + cpufreq_put_available_frequencies(freqs); } get_available_governors(cpu); diff --git a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py index 2d6d342b148f..256199c7a182 100755 --- a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py +++ b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py @@ -11,11 +11,11 @@ then this utility enables and collects trace data for a user specified interval and generates performance plots. Prerequisites: - Python version 2.7.x + Python version 2.7.x or higher gnuplot 5.0 or higher - gnuplot-py 1.8 + gnuplot-py 1.8 or higher (Most of the distributions have these required packages. They may be called - gnuplot-py, phython-gnuplot. ) + gnuplot-py, phython-gnuplot or phython3-gnuplot, gnuplot-nox, ... ) HWP (Hardware P-States are disabled) Kernel config for Linux trace is enabled @@ -104,7 +104,7 @@ def plot_perf_busy_with_sample(cpu_index): if os.path.exists(file_name): output_png = "cpu%03d_perf_busy_vs_samples.png" % cpu_index g_plot = common_all_gnuplot_settings(output_png) - g_plot('set yrange [0:40]') +# autoscale this one, no set y1 range g_plot('set y2range [0:200]') g_plot('set y2tics 0, 10') g_plot('set title "{} : cpu perf busy vs. sample : CPU {:0>3} : {:%F %H:%M}"'.format(testname, cpu_index, datetime.now())) @@ -125,7 +125,7 @@ def plot_perf_busy(cpu_index): if os.path.exists(file_name): output_png = "cpu%03d_perf_busy.png" % cpu_index g_plot = common_all_gnuplot_settings(output_png) - g_plot('set yrange [0:40]') +# autoscale this one, no set y1 range g_plot('set y2range [0:200]') g_plot('set y2tics 0, 10') g_plot('set title "{} : perf busy : CPU {:0>3} : {:%F %H:%M}"'.format(testname, cpu_index, datetime.now())) @@ -144,9 +144,7 @@ def plot_durations(cpu_index): if os.path.exists(file_name): output_png = "cpu%03d_durations.png" % cpu_index g_plot = common_all_gnuplot_settings(output_png) -# Should autoscale be used here? Should seconds be used here? - g_plot('set yrange [0:5000]') - g_plot('set ytics 0, 500') +# autoscale this one, no set y range g_plot('set title "{} : durations : CPU {:0>3} : {:%F %H:%M}"'.format(testname, cpu_index, datetime.now())) g_plot('set ylabel "Timer Duration (MilliSeconds)"') # override common @@ -176,12 +174,12 @@ def plot_pstate_cpu_with_sample(): if os.path.exists('cpu.csv'): output_png = 'all_cpu_pstates_vs_samples.png' g_plot = common_all_gnuplot_settings(output_png) - g_plot('set yrange [0:40]') +# autoscale this one, no set y range # override common g_plot('set xlabel "Samples"') g_plot('set ylabel "P-State"') g_plot('set title "{} : cpu pstate vs. sample : {:%F %H:%M}"'.format(testname, datetime.now())) - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_SAMPLE, C_TO) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) @@ -191,14 +189,14 @@ def plot_pstate_cpu(): output_png = 'all_cpu_pstates.png' g_plot = common_all_gnuplot_settings(output_png) - g_plot('set yrange [0:40]') +# autoscale this one, no set y range g_plot('set ylabel "P-State"') g_plot('set title "{} : cpu pstates : {:%F %H:%M}"'.format(testname, datetime.now())) # the following command is really cool, but doesn't work with the CPU masking option because it aborts on the first missing file. # plot_str = 'plot for [i=0:*] file=sprintf("cpu%03d.csv",i) title_s=sprintf("cpu%03d",i) file using 16:7 pt 7 ps 1 title title_s' # - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_TO) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) @@ -212,7 +210,7 @@ def plot_load_cpu(): g_plot('set ylabel "CPU load (percent)"') g_plot('set title "{} : cpu loads : {:%F %H:%M}"'.format(testname, datetime.now())) - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_LOAD) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) @@ -222,11 +220,11 @@ def plot_frequency_cpu(): output_png = 'all_cpu_frequencies.png' g_plot = common_all_gnuplot_settings(output_png) - g_plot('set yrange [0:4]') +# autoscale this one, no set y range g_plot('set ylabel "CPU Frequency (GHz)"') g_plot('set title "{} : cpu frequencies : {:%F %H:%M}"'.format(testname, datetime.now())) - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_FREQ) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) @@ -236,12 +234,12 @@ def plot_duration_cpu(): output_png = 'all_cpu_durations.png' g_plot = common_all_gnuplot_settings(output_png) - g_plot('set yrange [0:5000]') +# autoscale this one, no set y range g_plot('set ytics 0, 500') g_plot('set ylabel "Timer Duration (MilliSeconds)"') g_plot('set title "{} : cpu durations : {:%F %H:%M}"'.format(testname, datetime.now())) - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_DURATION) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) @@ -255,7 +253,7 @@ def plot_scaled_cpu(): g_plot('set ylabel "Scaled Busy (Unitless)"') g_plot('set title "{} : cpu scaled busy : {:%F %H:%M}"'.format(testname, datetime.now())) - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_SCALED) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) @@ -269,7 +267,7 @@ def plot_boost_cpu(): g_plot('set ylabel "CPU IO Boost (percent)"') g_plot('set title "{} : cpu io boost : {:%F %H:%M}"'.format(testname, datetime.now())) - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_BOOST) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) @@ -283,7 +281,7 @@ def plot_ghz_cpu(): g_plot('set ylabel "TSC Frequency (GHz)"') g_plot('set title "{} : cpu TSC Frequencies (Sanity check calculation) : {:%F %H:%M}"'.format(testname, datetime.now())) - title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ') + title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ') plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_GHZ) g_plot('title_list = "{}"'.format(title_list)) g_plot(plot_str) diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h index f52e0ba84fed..3d27069b9ed9 100644 --- a/tools/testing/selftests/kvm/include/x86_64/vmx.h +++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h @@ -18,8 +18,8 @@ /* * Definitions of Primary Processor-Based VM-Execution Controls. */ -#define CPU_BASED_VIRTUAL_INTR_PENDING 0x00000004 -#define CPU_BASED_USE_TSC_OFFSETING 0x00000008 +#define CPU_BASED_INTR_WINDOW_EXITING 0x00000004 +#define CPU_BASED_USE_TSC_OFFSETTING 0x00000008 #define CPU_BASED_HLT_EXITING 0x00000080 #define CPU_BASED_INVLPG_EXITING 0x00000200 #define CPU_BASED_MWAIT_EXITING 0x00000400 @@ -30,7 +30,7 @@ #define CPU_BASED_CR8_LOAD_EXITING 0x00080000 #define CPU_BASED_CR8_STORE_EXITING 0x00100000 #define CPU_BASED_TPR_SHADOW 0x00200000 -#define CPU_BASED_VIRTUAL_NMI_PENDING 0x00400000 +#define CPU_BASED_NMI_WINDOW_EXITING 0x00400000 #define CPU_BASED_MOV_DR_EXITING 0x00800000 #define CPU_BASED_UNCOND_IO_EXITING 0x01000000 #define CPU_BASED_USE_IO_BITMAPS 0x02000000 @@ -103,7 +103,7 @@ #define EXIT_REASON_EXCEPTION_NMI 0 #define EXIT_REASON_EXTERNAL_INTERRUPT 1 #define EXIT_REASON_TRIPLE_FAULT 2 -#define EXIT_REASON_PENDING_INTERRUPT 7 +#define EXIT_REASON_INTERRUPT_WINDOW 7 #define EXIT_REASON_NMI_WINDOW 8 #define EXIT_REASON_TASK_SWITCH 9 #define EXIT_REASON_CPUID 10 diff --git a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c index 5590fd2bcf87..69e482a95c47 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c @@ -98,7 +98,7 @@ static void l1_guest_code(struct vmx_pages *vmx_pages) prepare_vmcs(vmx_pages, l2_guest_code, &l2_guest_stack[L2_GUEST_STACK_SIZE]); control = vmreadz(CPU_BASED_VM_EXEC_CONTROL); - control |= CPU_BASED_USE_MSR_BITMAPS | CPU_BASED_USE_TSC_OFFSETING; + control |= CPU_BASED_USE_MSR_BITMAPS | CPU_BASED_USE_TSC_OFFSETTING; vmwrite(CPU_BASED_VM_EXEC_CONTROL, control); vmwrite(TSC_OFFSET, TSC_OFFSET_VALUE); diff --git a/tools/testing/selftests/powerpc/eeh/eeh-functions.sh b/tools/testing/selftests/powerpc/eeh/eeh-functions.sh index 26112ab5cdf4..f52ed92b53e7 100755 --- a/tools/testing/selftests/powerpc/eeh/eeh-functions.sh +++ b/tools/testing/selftests/powerpc/eeh/eeh-functions.sh @@ -53,9 +53,13 @@ eeh_one_dev() { # is a no-op. echo $dev >/sys/kernel/debug/powerpc/eeh_dev_check - # Enforce a 30s timeout for recovery. Even the IPR, which is infamously - # slow to reset, should recover within 30s. - max_wait=30 + # Default to a 60s timeout when waiting for a device to recover. This + # is an arbitrary default which can be overridden by setting the + # EEH_MAX_WAIT environmental variable when required. + + # The current record holder for longest recovery time is: + # "Adaptec Series 8 12G SAS/PCIe 3" at 39 seconds + max_wait=${EEH_MAX_WAIT:=60} for i in `seq 0 ${max_wait}` ; do if pe_ok $dev ; then diff --git a/tools/testing/selftests/powerpc/mm/.gitignore b/tools/testing/selftests/powerpc/mm/.gitignore index 7101ffd08d66..0ebeaea22641 100644 --- a/tools/testing/selftests/powerpc/mm/.gitignore +++ b/tools/testing/selftests/powerpc/mm/.gitignore @@ -5,3 +5,4 @@ prot_sao segv_errors wild_bctr large_vm_fork_separation +bad_accesses diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile index ed1565809d2b..b9103c4bb414 100644 --- a/tools/testing/selftests/powerpc/mm/Makefile +++ b/tools/testing/selftests/powerpc/mm/Makefile @@ -3,7 +3,7 @@ noarg: $(MAKE) -C ../ TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao segv_errors wild_bctr \ - large_vm_fork_separation + large_vm_fork_separation bad_accesses TEST_GEN_PROGS_EXTENDED := tlbie_test TEST_GEN_FILES := tempfile @@ -16,6 +16,7 @@ $(OUTPUT)/prot_sao: ../utils.c $(OUTPUT)/wild_bctr: CFLAGS += -m64 $(OUTPUT)/large_vm_fork_separation: CFLAGS += -m64 +$(OUTPUT)/bad_accesses: CFLAGS += -m64 $(OUTPUT)/tempfile: dd if=/dev/zero of=$@ bs=64k count=1 diff --git a/tools/testing/selftests/powerpc/mm/bad_accesses.c b/tools/testing/selftests/powerpc/mm/bad_accesses.c new file mode 100644 index 000000000000..adc465f499ef --- /dev/null +++ b/tools/testing/selftests/powerpc/mm/bad_accesses.c @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright 2019, Michael Ellerman, IBM Corp. +// +// Test that out-of-bounds reads/writes behave as expected. + +#include <setjmp.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "utils.h" + +// Old distros (Ubuntu 16.04 at least) don't define this +#ifndef SEGV_BNDERR +#define SEGV_BNDERR 3 +#endif + +// 64-bit kernel is always here +#define PAGE_OFFSET (0xcul << 60) + +static unsigned long kernel_virt_end; + +static volatile int fault_code; +static volatile unsigned long fault_addr; +static jmp_buf setjmp_env; + +static void segv_handler(int n, siginfo_t *info, void *ctxt_v) +{ + fault_code = info->si_code; + fault_addr = (unsigned long)info->si_addr; + siglongjmp(setjmp_env, 1); +} + +int bad_access(char *p, bool write) +{ + char x; + + fault_code = 0; + fault_addr = 0; + + if (sigsetjmp(setjmp_env, 1) == 0) { + if (write) + *p = 1; + else + x = *p; + + printf("Bad - no SEGV! (%c)\n", x); + return 1; + } + + // If we see MAPERR that means we took a page fault rather than an SLB + // miss. We only expect to take page faults for addresses within the + // valid kernel range. + FAIL_IF(fault_code == SEGV_MAPERR && \ + (fault_addr < PAGE_OFFSET || fault_addr >= kernel_virt_end)); + + FAIL_IF(fault_code != SEGV_MAPERR && fault_code != SEGV_BNDERR); + + return 0; +} + +static int using_hash_mmu(bool *using_hash) +{ + char line[128]; + FILE *f; + int rc; + + f = fopen("/proc/cpuinfo", "r"); + FAIL_IF(!f); + + rc = 0; + while (fgets(line, sizeof(line), f) != NULL) { + if (strcmp(line, "MMU : Hash\n") == 0) { + *using_hash = true; + goto out; + } + + if (strcmp(line, "MMU : Radix\n") == 0) { + *using_hash = false; + goto out; + } + } + + rc = -1; +out: + fclose(f); + return rc; +} + +static int test(void) +{ + unsigned long i, j, addr, region_shift, page_shift, page_size; + struct sigaction sig; + bool hash_mmu; + + sig = (struct sigaction) { + .sa_sigaction = segv_handler, + .sa_flags = SA_SIGINFO, + }; + + FAIL_IF(sigaction(SIGSEGV, &sig, NULL) != 0); + + FAIL_IF(using_hash_mmu(&hash_mmu)); + + page_size = sysconf(_SC_PAGESIZE); + if (page_size == (64 * 1024)) + page_shift = 16; + else + page_shift = 12; + + if (page_size == (64 * 1024) || !hash_mmu) { + region_shift = 52; + + // We have 7 512T regions (4 kernel linear, vmalloc, io, vmemmap) + kernel_virt_end = PAGE_OFFSET + (7 * (512ul << 40)); + } else if (page_size == (4 * 1024) && hash_mmu) { + region_shift = 46; + + // We have 7 64T regions (4 kernel linear, vmalloc, io, vmemmap) + kernel_virt_end = PAGE_OFFSET + (7 * (64ul << 40)); + } else + FAIL_IF(true); + + printf("Using %s MMU, PAGE_SIZE = %dKB start address 0x%016lx\n", + hash_mmu ? "hash" : "radix", + (1 << page_shift) >> 10, + 1ul << region_shift); + + // This generates access patterns like: + // 0x0010000000000000 + // 0x0010000000010000 + // 0x0010000000020000 + // ... + // 0x0014000000000000 + // 0x0018000000000000 + // 0x0020000000000000 + // 0x0020000000010000 + // 0x0020000000020000 + // ... + // 0xf400000000000000 + // 0xf800000000000000 + + for (i = 1; i <= ((0xful << 60) >> region_shift); i++) { + for (j = page_shift - 1; j < 60; j++) { + unsigned long base, delta; + + base = i << region_shift; + delta = 1ul << j; + + if (delta >= base) + break; + + addr = (base | delta) & ~((1 << page_shift) - 1); + + FAIL_IF(bad_access((char *)addr, false)); + FAIL_IF(bad_access((char *)addr, true)); + } + } + + return 0; +} + +int main(void) +{ + return test_harness(test, "bad_accesses"); +} diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c b/tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c index 7deedbc16b0b..fc477dfe86a2 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c @@ -455,9 +455,8 @@ run_tests(pid_t child_pid, struct ppc_debug_info *dbginfo, bool dawr) if (dbginfo->features & PPC_DEBUG_FEATURE_DATA_BP_RANGE) { test_sethwdebug_exact(child_pid); - if (!is_8xx) - test_sethwdebug_range_aligned(child_pid); - if (dawr && !is_8xx) { + test_sethwdebug_range_aligned(child_pid); + if (dawr || is_8xx) { test_sethwdebug_range_unaligned(child_pid); test_sethwdebug_range_unaligned_dar(child_pid); test_sethwdebug_dawr_max_range(child_pid); diff --git a/tools/testing/selftests/vm/gup_benchmark.c b/tools/testing/selftests/vm/gup_benchmark.c index 485cf06ef013..389327e9b30a 100644 --- a/tools/testing/selftests/vm/gup_benchmark.c +++ b/tools/testing/selftests/vm/gup_benchmark.c @@ -18,6 +18,9 @@ #define GUP_LONGTERM_BENCHMARK _IOWR('g', 2, struct gup_benchmark) #define GUP_BENCHMARK _IOWR('g', 3, struct gup_benchmark) +/* Just the flags we need, copied from mm.h: */ +#define FOLL_WRITE 0x01 /* check pte is writable */ + struct gup_benchmark { __u64 get_delta_usec; __u64 put_delta_usec; @@ -85,7 +88,8 @@ int main(int argc, char **argv) } gup.nr_pages_per_call = nr_pages; - gup.flags = write; + if (write) + gup.flags |= FOLL_WRITE; fd = open("/sys/kernel/debug/gup_benchmark", O_RDWR); if (fd == -1) diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c index 68092d15e12b..9b68658b6bb8 100644 --- a/tools/vm/slabinfo.c +++ b/tools/vm/slabinfo.c @@ -720,11 +720,11 @@ static void slab_debug(struct slabinfo *s) return; if (sanity && !s->sanity_checks) { - set_obj(s, "sanity", 1); + set_obj(s, "sanity_checks", 1); } if (!sanity && s->sanity_checks) { if (slab_empty(s)) - set_obj(s, "sanity", 0); + set_obj(s, "sanity_checks", 0); else fprintf(stderr, "%s not empty cannot disable sanity checks\n", s->name); } |