diff --git a/MAINTAINERS b/MAINTAINERS
index 8d5bc223f3053bf83c8a5aeaa6900ceafe111179..150ff03b42eb32d3ab3bc8bb3b3d920d6c61d855 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16391,6 +16391,7 @@ R: Alexander Shishkin <alexander.shishkin@linux.intel.com>
R: Jiri Olsa <jolsa@kernel.org>
R: Namhyung Kim <namhyung@kernel.org>
R: Ian Rogers <irogers@google.com>
+R: Adrian Hunter <adrian.hunter@intel.com>
L: linux-perf-users@vger.kernel.org
L: linux-kernel@vger.kernel.org
S: Supported
diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h
index a7a857f1784d80d6264eeebecbeb371c7d13ba5b..f8129c624b0709815cbd266d569bb12fb70e6047 100644
--- a/tools/arch/arm64/include/uapi/asm/kvm.h
+++ b/tools/arch/arm64/include/uapi/asm/kvm.h
@@ -109,6 +109,7 @@ struct kvm_regs {
#define KVM_ARM_VCPU_SVE 4 /* enable SVE for this CPU */
#define KVM_ARM_VCPU_PTRAUTH_ADDRESS 5 /* VCPU uses address authentication */
#define KVM_ARM_VCPU_PTRAUTH_GENERIC 6 /* VCPU uses generic authentication */
+#define KVM_ARM_VCPU_HAS_EL2 7 /* Support nested virtualization */
struct kvm_vcpu_init {
__u32 target;
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index b70111a75688a794586e12ac3db3deeeb4a948b4..b89005819cd551a9cc983fde516a9a060137ad84 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -13,7 +13,7 @@
/*
* Defines x86 CPU feature bits
*/
-#define NCAPINTS 20 /* N 32-bit words worth of info */
+#define NCAPINTS 21 /* N 32-bit words worth of info */
#define NBUGINTS 1 /* N 32-bit bug flags */
/*
diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h
index c44b56f7ffba0d0e4bf881c035a3a3668be9929e..5dfa4fb76f4b2ba025b4c4e45b9e4846b75128c6 100644
--- a/tools/arch/x86/include/asm/disabled-features.h
+++ b/tools/arch/x86/include/asm/disabled-features.h
@@ -124,6 +124,7 @@
#define DISABLED_MASK17 0
#define DISABLED_MASK18 0
#define DISABLED_MASK19 0
-#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 20)
+#define DISABLED_MASK20 0
+#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21)
#endif /* _ASM_X86_DISABLED_FEATURES_H */
diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index 37ff47552bcb7b57fdc75bc0246f2bb3876add4a..ad35355ee43ead14e638ac5c853fd5a82b8ee774 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -25,6 +25,7 @@
#define _EFER_SVME 12 /* Enable virtualization */
#define _EFER_LMSLE 13 /* Long Mode Segment Limit Enable */
#define _EFER_FFXSR 14 /* Enable Fast FXSAVE/FXRSTOR */
+#define _EFER_AUTOIBRS 21 /* Enable Automatic IBRS */
#define EFER_SCE (1<<_EFER_SCE)
#define EFER_LME (1<<_EFER_LME)
@@ -33,6 +34,7 @@
#define EFER_SVME (1<<_EFER_SVME)
#define EFER_LMSLE (1<<_EFER_LMSLE)
#define EFER_FFXSR (1<<_EFER_FFXSR)
+#define EFER_AUTOIBRS (1<<_EFER_AUTOIBRS)
/* Intel MSRs. Some also available on other CPUs */
@@ -49,6 +51,10 @@
#define SPEC_CTRL_RRSBA_DIS_S_SHIFT 6 /* Disable RRSBA behavior */
#define SPEC_CTRL_RRSBA_DIS_S BIT(SPEC_CTRL_RRSBA_DIS_S_SHIFT)
+/* A mask for bits which the kernel toggles when controlling mitigations */
+#define SPEC_CTRL_MITIGATIONS_MASK (SPEC_CTRL_IBRS | SPEC_CTRL_STIBP | SPEC_CTRL_SSBD \
+ | SPEC_CTRL_RRSBA_DIS_S)
+
#define MSR_IA32_PRED_CMD 0x00000049 /* Prediction Command */
#define PRED_CMD_IBPB BIT(0) /* Indirect Branch Prediction Barrier */
@@ -189,6 +195,9 @@
#define MSR_TURBO_RATIO_LIMIT1 0x000001ae
#define MSR_TURBO_RATIO_LIMIT2 0x000001af
+#define MSR_SNOOP_RSP_0 0x00001328
+#define MSR_SNOOP_RSP_1 0x00001329
+
#define MSR_LBR_SELECT 0x000001c8
#define MSR_LBR_TOS 0x000001c9
@@ -566,6 +575,26 @@
#define MSR_AMD64_SEV_ES_ENABLED BIT_ULL(MSR_AMD64_SEV_ES_ENABLED_BIT)
#define MSR_AMD64_SEV_SNP_ENABLED BIT_ULL(MSR_AMD64_SEV_SNP_ENABLED_BIT)
+/* SNP feature bits enabled by the hypervisor */
+#define MSR_AMD64_SNP_VTOM BIT_ULL(3)
+#define MSR_AMD64_SNP_REFLECT_VC BIT_ULL(4)
+#define MSR_AMD64_SNP_RESTRICTED_INJ BIT_ULL(5)
+#define MSR_AMD64_SNP_ALT_INJ BIT_ULL(6)
+#define MSR_AMD64_SNP_DEBUG_SWAP BIT_ULL(7)
+#define MSR_AMD64_SNP_PREVENT_HOST_IBS BIT_ULL(8)
+#define MSR_AMD64_SNP_BTB_ISOLATION BIT_ULL(9)
+#define MSR_AMD64_SNP_VMPL_SSS BIT_ULL(10)
+#define MSR_AMD64_SNP_SECURE_TSC BIT_ULL(11)
+#define MSR_AMD64_SNP_VMGEXIT_PARAM BIT_ULL(12)
+#define MSR_AMD64_SNP_IBS_VIRT BIT_ULL(14)
+#define MSR_AMD64_SNP_VMSA_REG_PROTECTION BIT_ULL(16)
+#define MSR_AMD64_SNP_SMT_PROTECTION BIT_ULL(17)
+
+/* SNP feature bits reserved for future use. */
+#define MSR_AMD64_SNP_RESERVED_BIT13 BIT_ULL(13)
+#define MSR_AMD64_SNP_RESERVED_BIT15 BIT_ULL(15)
+#define MSR_AMD64_SNP_RESERVED_MASK GENMASK_ULL(63, 18)
+
#define MSR_AMD64_VIRT_SPEC_CTRL 0xc001011f
/* AMD Collaborative Processor Performance Control MSRs */
@@ -1061,6 +1090,8 @@
/* - AMD: */
#define MSR_IA32_MBA_BW_BASE 0xc0000200
+#define MSR_IA32_SMBA_BW_BASE 0xc0000280
+#define MSR_IA32_EVT_CFG_BASE 0xc0000400
/* MSR_IA32_VMX_MISC bits */
#define MSR_IA32_VMX_MISC_INTEL_PT (1ULL << 14)
diff --git a/tools/arch/x86/include/asm/required-features.h b/tools/arch/x86/include/asm/required-features.h
index aff774775c678434e2b20218d0873676f5b4a39b..7ba1726b71c7b8bfc95888dc78508998bba263fe 100644
--- a/tools/arch/x86/include/asm/required-features.h
+++ b/tools/arch/x86/include/asm/required-features.h
@@ -98,6 +98,7 @@
#define REQUIRED_MASK17 0
#define REQUIRED_MASK18 0
#define REQUIRED_MASK19 0
-#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 20)
+#define REQUIRED_MASK20 0
+#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21)
#endif /* _ASM_X86_REQUIRED_FEATURES_H */
diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h
index e48deab8901d4ecb9fddaaf334247e27fb6c1762..7f467fe05d42ea702d45679bc8ce27d18656b124 100644
--- a/tools/arch/x86/include/uapi/asm/kvm.h
+++ b/tools/arch/x86/include/uapi/asm/kvm.h
@@ -9,6 +9,7 @@
#include <linux/types.h>
#include <linux/ioctl.h>
+#include <linux/stddef.h>
#define KVM_PIO_PAGE_OFFSET 1
#define KVM_COALESCED_MMIO_PAGE_OFFSET 2
@@ -507,8 +508,8 @@ struct kvm_nested_state {
* KVM_{GET,PUT}_NESTED_STATE ioctl values.
*/
union {
- struct kvm_vmx_nested_state_data vmx[0];
- struct kvm_svm_nested_state_data svm[0];
+ __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx);
+ __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm);
} data;
};
@@ -525,6 +526,35 @@ struct kvm_pmu_event_filter {
#define KVM_PMU_EVENT_ALLOW 0
#define KVM_PMU_EVENT_DENY 1
+#define KVM_PMU_EVENT_FLAG_MASKED_EVENTS BIT(0)
+#define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS)
+
+/*
+ * Masked event layout.
+ * Bits Description
+ * ---- -----------
+ * 7:0 event select (low bits)
+ * 15:8 umask match
+ * 31:16 unused
+ * 35:32 event select (high bits)
+ * 36:54 unused
+ * 55 exclude bit
+ * 63:56 umask mask
+ */
+
+#define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \
+ (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \
+ (((mask) & 0xFFULL) << 56) | \
+ (((match) & 0xFFULL) << 8) | \
+ ((__u64)(!!(exclude)) << 55))
+
+#define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \
+ (GENMASK_ULL(7, 0) | GENMASK_ULL(35, 32))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MASK (GENMASK_ULL(63, 56))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (GENMASK_ULL(15, 8))
+#define KVM_PMU_MASKED_ENTRY_EXCLUDE (BIT_ULL(55))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56)
+
/* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
#define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */
#define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
diff --git a/tools/arch/x86/include/uapi/asm/svm.h b/tools/arch/x86/include/uapi/asm/svm.h
index f69c168391aa58cf280ba6fb5aca6630e3593d1a..80e1df482337dfe064d809966a309cecd0930070 100644
--- a/tools/arch/x86/include/uapi/asm/svm.h
+++ b/tools/arch/x86/include/uapi/asm/svm.h
@@ -116,6 +116,12 @@
#define SVM_VMGEXIT_AP_CREATE 1
#define SVM_VMGEXIT_AP_DESTROY 2
#define SVM_VMGEXIT_HV_FEATURES 0x8000fffd
+#define SVM_VMGEXIT_TERM_REQUEST 0x8000fffe
+#define SVM_VMGEXIT_TERM_REASON(reason_set, reason_code) \
+ /* SW_EXITINFO1[3:0] */ \
+ (((((u64)reason_set) & 0xf)) | \
+ /* SW_EXITINFO1[11:4] */ \
+ ((((u64)reason_code) & 0xff) << 4))
#define SVM_VMGEXIT_UNSUPPORTED_EVENT 0x8000ffff
/* Exit code reserved for hypervisor/software use */
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S
index 5418e2f99834e5dec0bd2f12d801da4d7b10d77a..a91ac666f758274c3f1ebf411cdf3469d69b93d2 100644
--- a/tools/arch/x86/lib/memcpy_64.S
+++ b/tools/arch/x86/lib/memcpy_64.S
@@ -7,7 +7,7 @@
#include <asm/alternative.h>
#include <asm/export.h>
-.pushsection .noinstr.text, "ax"
+.section .noinstr.text, "ax"
/*
* We build a jump to memcpy_orig by default which gets NOPped out on
@@ -42,7 +42,7 @@ SYM_TYPED_FUNC_START(__memcpy)
SYM_FUNC_END(__memcpy)
EXPORT_SYMBOL(__memcpy)
-SYM_FUNC_ALIAS_WEAK(memcpy, __memcpy)
+SYM_FUNC_ALIAS(memcpy, __memcpy)
EXPORT_SYMBOL(memcpy)
/*
@@ -183,4 +183,3 @@ SYM_FUNC_START_LOCAL(memcpy_orig)
RET
SYM_FUNC_END(memcpy_orig)
-.popsection
diff --git a/tools/arch/x86/lib/memset_64.S b/tools/arch/x86/lib/memset_64.S
index fc9ffd3ff3b213a38448d5fbff5493989e21a158..6143b1a6fa2caa0d5977d22c3f1c23456ff6d3bf 100644
--- a/tools/arch/x86/lib/memset_64.S
+++ b/tools/arch/x86/lib/memset_64.S
@@ -6,6 +6,8 @@
#include <asm/alternative.h>
#include <asm/export.h>
+.section .noinstr.text, "ax"
+
/*
* ISO C memset - set a memory block to a byte value. This function uses fast
* string to get better performance than the original function. The code is
@@ -43,7 +45,7 @@ SYM_FUNC_START(__memset)
SYM_FUNC_END(__memset)
EXPORT_SYMBOL(__memset)
-SYM_FUNC_ALIAS_WEAK(memset, __memset)
+SYM_FUNC_ALIAS(memset, __memset)
EXPORT_SYMBOL(memset)
/*
diff --git a/tools/include/linux/bits.h b/tools/include/linux/bits.h
index 87d112650dfbb0ec9ac6825ae2746c61b2659960..7c0cf5031abe8796fc40c7307ddfde4832f2655d 100644
--- a/tools/include/linux/bits.h
+++ b/tools/include/linux/bits.h
@@ -6,7 +6,6 @@
#include <vdso/bits.h>
#include <asm/bitsperlong.h>
-#define BIT_ULL(nr) (ULL(1) << (nr))
#define BIT_MASK(nr) (UL(1) << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
#define BIT_ULL_MASK(nr) (ULL(1) << ((nr) % BITS_PER_LONG_LONG))
diff --git a/tools/include/uapi/linux/fcntl.h b/tools/include/uapi/linux/fcntl.h
index 2f86b2ad6d7e9d6bd7478c369dc301899a37a791..e8c07da58c9f20ed3b7b4aa886f964d335fa41d2 100644
--- a/tools/include/uapi/linux/fcntl.h
+++ b/tools/include/uapi/linux/fcntl.h
@@ -43,6 +43,7 @@
#define F_SEAL_GROW 0x0004 /* prevent file from growing */
#define F_SEAL_WRITE 0x0008 /* prevent writes */
#define F_SEAL_FUTURE_WRITE 0x0010 /* prevent future writes while mapped */
+#define F_SEAL_EXEC 0x0020 /* prevent chmod modifying exec bits */
/* (1U << 31) is reserved for signed error codes */
/*
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 55155e262646e5fc48b6317054b07b1c15aad02a..d77aef872a0a07e767b2bddad095a250a9da1e65 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -583,6 +583,8 @@ struct kvm_s390_mem_op {
struct {
__u8 ar; /* the access register number */
__u8 key; /* access key, ignored if flag unset */
+ __u8 pad1[6]; /* ignored */
+ __u64 old_addr; /* ignored if cmpxchg flag unset */
};
__u32 sida_offset; /* offset into the sida */
__u8 reserved[32]; /* ignored */
@@ -595,11 +597,17 @@ struct kvm_s390_mem_op {
#define KVM_S390_MEMOP_SIDA_WRITE 3
#define KVM_S390_MEMOP_ABSOLUTE_READ 4
#define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
+#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
+
/* flags for kvm_s390_mem_op->flags */
#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
#define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
+/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
+#define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
+#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
+
/* for KVM_INTERRUPT */
struct kvm_interrupt {
/* in */
@@ -1175,6 +1183,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
+#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
#ifdef KVM_CAP_IRQ_ROUTING
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index ccb7f5dad59be96b2cba0011717759ff8e67c640..37675437b76860ae4c3bef6a35e0eded9c25d55b 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -374,6 +374,7 @@ enum perf_event_read_format {
#define PERF_ATTR_SIZE_VER5 112 /* add: aux_watermark */
#define PERF_ATTR_SIZE_VER6 120 /* add: aux_sample_size */
#define PERF_ATTR_SIZE_VER7 128 /* add: sig_data */
+#define PERF_ATTR_SIZE_VER8 136 /* add: config3 */
/*
* Hardware event_id to monitor via a performance monitoring event:
@@ -515,6 +516,8 @@ struct perf_event_attr {
* truncated accordingly on 32 bit architectures.
*/
__u64 sig_data;
+
+ __u64 config3; /* extension of config2 */
};
/*
diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
index a5e06dcbba136d618c6dcf61f0cbb6e3bfe9ea2c..1312a137f7fb85e1b042139f7762b3bb9775fa8e 100644
--- a/tools/include/uapi/linux/prctl.h
+++ b/tools/include/uapi/linux/prctl.h
@@ -281,6 +281,12 @@ struct prctl_mm_map {
# define PR_SME_VL_LEN_MASK 0xffff
# define PR_SME_VL_INHERIT (1 << 17) /* inherit across exec */
+/* Memory deny write / execute */
+#define PR_SET_MDWE 65
+# define PR_MDWE_REFUSE_EXEC_GAIN 1
+
+#define PR_GET_MDWE 66
+
#define PR_SET_VMA 0x53564d41
# define PR_SET_VMA_ANON_NAME 0
diff --git a/tools/include/uapi/linux/vhost.h b/tools/include/uapi/linux/vhost.h
index f9f115a7c75b8a3060f0678599e7662d0015b878..92e1b700b51cbdf66aed6b3d17bc32688cd4706b 100644
--- a/tools/include/uapi/linux/vhost.h
+++ b/tools/include/uapi/linux/vhost.h
@@ -180,4 +180,12 @@
*/
#define VHOST_VDPA_SUSPEND _IO(VHOST_VIRTIO, 0x7D)
+/* Resume a device so it can resume processing virtqueue requests
+ *
+ * After the return of this ioctl the device will have restored all the
+ * necessary states and it is fully operational to continue processing the
+ * virtqueue descriptors.
+ */
+#define VHOST_VDPA_RESUME _IO(VHOST_VIRTIO, 0x7E)
+
#endif
diff --git a/tools/include/vdso/bits.h b/tools/include/vdso/bits.h
index 6d005a1f5d9425d5a2cf2199271f55bb32bcc87c..388b212088ea6a38383918d9d46b82321b11c3d3 100644
--- a/tools/include/vdso/bits.h
+++ b/tools/include/vdso/bits.h
@@ -5,5 +5,6 @@
#include <vdso/const.h>
#define BIT(nr) (UL(1) << (nr))
+#define BIT_ULL(nr) (ULL(1) << (nr))
#endif /* __VDSO_BITS_H */
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index f8182417b7341d2c4eb99ca618bffe338cb717d7..10bb1d494258dcbc5b95de71f86ad4bf814c8e47 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -538,6 +538,7 @@ static int perf_event__repipe_buildid_mmap2(struct perf_tool *tool,
dso->hit = 1;
}
dso__put(dso);
+ perf_event__repipe(tool, event, sample, machine);
return 0;
}
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 5d18a5a6f662481a40697aceae9e47de5f4477b3..fa7c40956d0fa957c95b8755db61d83e0ee1cc4b 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -539,12 +539,7 @@ static int enable_counters(void)
return err;
}
- /*
- * We need to enable counters only if:
- * - we don't have tracee (attaching to task or cpu)
- * - we have initial delay configured
- */
- if (!target__none(&target)) {
+ if (!target__enable_on_exec(&target)) {
if (!all_counters_use_bpf)
evlist__enable(evsel_list);
}
@@ -914,7 +909,7 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
return err;
}
- if (stat_config.initial_delay) {
+ if (target.initial_delay) {
pr_info(EVLIST_DISABLED_MSG);
} else {
err = enable_counters();
@@ -926,8 +921,8 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
if (forks)
evlist__start_workload(evsel_list);
- if (stat_config.initial_delay > 0) {
- usleep(stat_config.initial_delay * USEC_PER_MSEC);
+ if (target.initial_delay > 0) {
+ usleep(target.initial_delay * USEC_PER_MSEC);
err = enable_counters();
if (err)
return -1;
@@ -1248,7 +1243,7 @@ static struct option stat_options[] = {
"aggregate counts per thread", AGGR_THREAD),
OPT_SET_UINT(0, "per-node", &stat_config.aggr_mode,
"aggregate counts per numa node", AGGR_NODE),
- OPT_INTEGER('D', "delay", &stat_config.initial_delay,
+ OPT_INTEGER('D', "delay", &target.initial_delay,
"ms to wait before starting measurement after program start (-1: start with events disabled)"),
OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL,
"Only print computed metrics. No raw values", enable_metric_only),
diff --git a/tools/perf/tests/shell/lib/perf_json_output_lint.py b/tools/perf/tests/shell/lib/perf_json_output_lint.py
index d90f8d102eb99eeb2a8a8ce8af3269a35907e889..97598d14e532354826c37186e5f55a3f4ef35ffa 100644
--- a/tools/perf/tests/shell/lib/perf_json_output_lint.py
+++ b/tools/perf/tests/shell/lib/perf_json_output_lint.py
@@ -40,19 +40,6 @@ def is_counter_value(num):
return isfloat(num) or num == '<not counted>' or num == '<not supported>'
def check_json_output(expected_items):
- if expected_items != -1:
- for line in Lines:
- if 'failed' not in line:
- count = 0
- count = line.count(',')
- if count != expected_items and count >= 1 and count <= 3 and 'metric-value' in line:
- # Events that generate >1 metric may have isolated metric
- # values and possibly other prefixes like interval, core and
- # aggregate-number.
- continue
- if count != expected_items:
- raise RuntimeError(f'wrong number of fields. counted {count} expected {expected_items}'
- f' in \'{line}\'')
checks = {
'aggregate-number': lambda x: isfloat(x),
'core': lambda x: True,
@@ -73,6 +60,16 @@ def check_json_output(expected_items):
}
input = '[\n' + ','.join(Lines) + '\n]'
for item in json.loads(input):
+ if expected_items != -1:
+ count = len(item)
+ if count != expected_items and count >= 1 and count <= 4 and 'metric-value' in item:
+ # Events that generate >1 metric may have isolated metric
+ # values and possibly other prefixes like interval, core and
+ # aggregate-number.
+ pass
+ elif count != expected_items:
+ raise RuntimeError(f'wrong number of fields. counted {count} expected {expected_items}'
+ f' in \'{item}\'')
for key, value in item.items():
if key not in checks:
raise RuntimeError(f'Unexpected key: key={key} value={value}')
@@ -82,11 +79,11 @@ def check_json_output(expected_items):
try:
if args.no_args or args.system_wide or args.event:
- expected_items = 6
- elif args.interval or args.per_thread or args.system_wide_no_aggr:
expected_items = 7
- elif args.per_core or args.per_socket or args.per_node or args.per_die:
+ elif args.interval or args.per_thread or args.system_wide_no_aggr:
expected_items = 8
+ elif args.per_core or args.per_socket or args.per_node or args.per_die:
+ expected_items = 9
else:
# If no option is specified, don't check the number of items.
expected_items = -1
diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh
index b7f050aa6210c92177c7a80a9b2bbf3e08fd2f4f..324fc9e6edd79c91c5a5f4e71ac52b90f475fcd2 100755
--- a/tools/perf/tests/shell/stat+csv_output.sh
+++ b/tools/perf/tests/shell/stat+csv_output.sh
@@ -7,6 +7,7 @@
set -e
skip_test=0
+csv_sep=@
function commachecker()
{
@@ -34,7 +35,7 @@ function commachecker()
[ "$x" = "Failed" ] && continue
# Count the number of commas
- x=$(echo $line | tr -d -c ',')
+ x=$(echo $line | tr -d -c $csv_sep)
cnt="${#x}"
# echo $line $cnt
[[ ! "$cnt" =~ $exp ]] && {
@@ -54,7 +55,7 @@ function ParanoidAndNotRoot()
check_no_args()
{
echo -n "Checking CSV output: no args "
- perf stat -x, true 2>&1 | commachecker --no-args
+ perf stat -x$csv_sep true 2>&1 | commachecker --no-args
echo "[Success]"
}
@@ -66,7 +67,7 @@ check_system_wide()
echo "[Skip] paranoid and not root"
return
fi
- perf stat -x, -a true 2>&1 | commachecker --system-wide
+ perf stat -x$csv_sep -a true 2>&1 | commachecker --system-wide
echo "[Success]"
}
@@ -79,14 +80,14 @@ check_system_wide_no_aggr()
return
fi
echo -n "Checking CSV output: system wide no aggregation "
- perf stat -x, -A -a --no-merge true 2>&1 | commachecker --system-wide-no-aggr
+ perf stat -x$csv_sep -A -a --no-merge true 2>&1 | commachecker --system-wide-no-aggr
echo "[Success]"
}
check_interval()
{
echo -n "Checking CSV output: interval "
- perf stat -x, -I 1000 true 2>&1 | commachecker --interval
+ perf stat -x$csv_sep -I 1000 true 2>&1 | commachecker --interval
echo "[Success]"
}
@@ -94,7 +95,7 @@ check_interval()
check_event()
{
echo -n "Checking CSV output: event "
- perf stat -x, -e cpu-clock true 2>&1 | commachecker --event
+ perf stat -x$csv_sep -e cpu-clock true 2>&1 | commachecker --event
echo "[Success]"
}
@@ -106,7 +107,7 @@ check_per_core()
echo "[Skip] paranoid and not root"
return
fi
- perf stat -x, --per-core -a true 2>&1 | commachecker --per-core
+ perf stat -x$csv_sep --per-core -a true 2>&1 | commachecker --per-core
echo "[Success]"
}
@@ -118,7 +119,7 @@ check_per_thread()
echo "[Skip] paranoid and not root"
return
fi
- perf stat -x, --per-thread -a true 2>&1 | commachecker --per-thread
+ perf stat -x$csv_sep --per-thread -a true 2>&1 | commachecker --per-thread
echo "[Success]"
}
@@ -130,7 +131,7 @@ check_per_die()
echo "[Skip] paranoid and not root"
return
fi
- perf stat -x, --per-die -a true 2>&1 | commachecker --per-die
+ perf stat -x$csv_sep --per-die -a true 2>&1 | commachecker --per-die
echo "[Success]"
}
@@ -142,7 +143,7 @@ check_per_node()
echo "[Skip] paranoid and not root"
return
fi
- perf stat -x, --per-node -a true 2>&1 | commachecker --per-node
+ perf stat -x$csv_sep --per-node -a true 2>&1 | commachecker --per-node
echo "[Success]"
}
@@ -154,7 +155,7 @@ check_per_socket()
echo "[Skip] paranoid and not root"
return
fi
- perf stat -x, --per-socket -a true 2>&1 | commachecker --per-socket
+ perf stat -x$csv_sep --per-socket -a true 2>&1 | commachecker --per-socket
echo "[Success]"
}
diff --git a/tools/perf/util/bpf_skel/off_cpu.bpf.c b/tools/perf/util/bpf_skel/off_cpu.bpf.c
index 38e3b287dbb225885f24d31acebff75d24e5dab1..d877a0a9731f9f2fd6295cc3ef75c6320c697af0 100644
--- a/tools/perf/util/bpf_skel/off_cpu.bpf.c
+++ b/tools/perf/util/bpf_skel/off_cpu.bpf.c
@@ -277,7 +277,7 @@ int on_switch(u64 *ctx)
else
prev_state = get_task_state(prev);
- return off_cpu_stat(ctx, prev, next, prev_state);
+ return off_cpu_stat(ctx, prev, next, prev_state & 0xff);
}
char LICENSE[] SEC("license") = "Dual BSD/GPL";
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 534d36d26fc38a5ae9c94ce917e581eb6fd6e856..a07473703c6dd65fe2f8ba1295704aa45d6dd4ae 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -842,11 +842,7 @@ int create_perf_stat_counter(struct evsel *evsel,
if (evsel__is_group_leader(evsel)) {
attr->disabled = 1;
- /*
- * In case of initial_delay we enable tracee
- * events manually.
- */
- if (target__none(target) && !config->initial_delay)
+ if (target__enable_on_exec(target))
attr->enable_on_exec = 1;
}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index b1c29156c560f83304d75e947df441235519d701..bf1794ebc916d56d25de420d811cd33e01141545 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -166,7 +166,6 @@ struct perf_stat_config {
FILE *output;
unsigned int interval;
unsigned int timeout;
- int initial_delay;
unsigned int unit_width;
unsigned int metric_only_len;
int times;
diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h
index daec6cba500d4ecb1ee5e3dc739f612df055e60f..880f1af7f6ad6ac220077c5157035f3f918b4205 100644
--- a/tools/perf/util/target.h
+++ b/tools/perf/util/target.h
@@ -18,6 +18,7 @@ struct target {
bool per_thread;
bool use_bpf;
bool hybrid;
+ int initial_delay;
const char *attr_map;
};
@@ -72,6 +73,17 @@ static inline bool target__none(struct target *target)
return !target__has_task(target) && !target__has_cpu(target);
}
+static inline bool target__enable_on_exec(struct target *target)
+{
+ /*
+ * Normally enable_on_exec should be set if:
+ * 1) The tracee process is forked (not attaching to existed task or cpu).
+ * 2) And initial_delay is not configured.
+ * Otherwise, we enable tracee events manually.
+ */
+ return target__none(target) && !target->initial_delay;
+}
+
static inline bool target__has_per_thread(struct target *target)
{
return target->system_wide && target->per_thread;