Merge tag 'perf-urgent-for-mingo-4.14-20170928' of git://git.kernel.org/pub/scm/linux...
authorIngo Molnar <mingo@kernel.org>
Fri, 29 Sep 2017 17:31:46 +0000 (19:31 +0200)
committerIngo Molnar <mingo@kernel.org>
Fri, 29 Sep 2017 17:31:46 +0000 (19:31 +0200)
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

- Fix syscalltbl build failure (Akemi Yagi)

- Fix attr.exclude_kernel setting for default cycles:p, this time for
  !root with kernel.perf_event_paranoid = -1 (Arnaldo Carvalho de Melo)

- Sync kernel ABI headers with tooling headers (Ingo Molnar)

- Remove misleading debug messages with --call-graph option (Mengting Zhang)

- Revert vmlinux symbol resolution patches for s390x (Thomas Richter)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
18 files changed:
tools/arch/s390/include/uapi/asm/kvm.h
tools/arch/x86/include/asm/cpufeatures.h
tools/arch/x86/include/asm/disabled-features.h
tools/include/asm-generic/hugetlb_encode.h [new file with mode: 0644]
tools/include/uapi/asm-generic/mman-common.h
tools/include/uapi/drm/drm.h
tools/include/uapi/drm/i915_drm.h
tools/include/uapi/linux/bpf.h
tools/include/uapi/linux/kvm.h
tools/include/uapi/linux/mman.h
tools/perf/MANIFEST
tools/perf/arch/s390/util/Build
tools/perf/arch/s390/util/sym-handling.c [deleted file]
tools/perf/util/callchain.c
tools/perf/util/evsel.c
tools/perf/util/symbol-elf.c
tools/perf/util/symbol.h
tools/perf/util/syscalltbl.c

index 69d09c39bbcd00858121ebf9f6bb1f7a57ff20e1..cd7359e23d869465d1cb70b637c64c85283e37ac 100644 (file)
@@ -88,6 +88,12 @@ struct kvm_s390_io_adapter_req {
 /* kvm attributes for KVM_S390_VM_TOD */
 #define KVM_S390_VM_TOD_LOW            0
 #define KVM_S390_VM_TOD_HIGH           1
+#define KVM_S390_VM_TOD_EXT            2
+
+struct kvm_s390_vm_tod_clock {
+       __u8  epoch_idx;
+       __u64 tod;
+};
 
 /* kvm attributes for KVM_S390_VM_CPU_MODEL */
 /* processor related attributes are r/w */
index 8ea315a11fe0d4461abe7aeea2738be97a79b189..2519c6c801c917d7a30b3826c86679edf18616d5 100644 (file)
 
 #define X86_FEATURE_HW_PSTATE  ( 7*32+ 8) /* AMD HW-PState */
 #define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */
+#define X86_FEATURE_SME                ( 7*32+10) /* AMD Secure Memory Encryption */
 
 #define X86_FEATURE_INTEL_PPIN ( 7*32+14) /* Intel Processor Inventory Number */
 #define X86_FEATURE_INTEL_PT   ( 7*32+15) /* Intel Processor Trace */
 #define X86_FEATURE_PFTHRESHOLD (15*32+12) /* pause filter threshold */
 #define X86_FEATURE_AVIC       (15*32+13) /* Virtual Interrupt Controller */
 #define X86_FEATURE_V_VMSAVE_VMLOAD (15*32+15) /* Virtual VMSAVE VMLOAD */
+#define X86_FEATURE_VGIF       (15*32+16) /* Virtual GIF */
 
 /* Intel-defined CPU features, CPUID level 0x00000007:0 (ecx), word 16 */
 #define X86_FEATURE_AVX512VBMI  (16*32+ 1) /* AVX512 Vector Bit Manipulation instructions*/
index 5dff775af7cd6456f7177d9ce5888ae78dc6bc10..c10c9128f54e6b7296014a74e7a253a1eedaacd9 100644 (file)
 # define DISABLE_K6_MTRR       (1<<(X86_FEATURE_K6_MTRR & 31))
 # define DISABLE_CYRIX_ARR     (1<<(X86_FEATURE_CYRIX_ARR & 31))
 # define DISABLE_CENTAUR_MCR   (1<<(X86_FEATURE_CENTAUR_MCR & 31))
+# define DISABLE_PCID          0
 #else
 # define DISABLE_VME           0
 # define DISABLE_K6_MTRR       0
 # define DISABLE_CYRIX_ARR     0
 # define DISABLE_CENTAUR_MCR   0
+# define DISABLE_PCID          (1<<(X86_FEATURE_PCID & 31))
 #endif /* CONFIG_X86_64 */
 
 #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
@@ -49,7 +51,7 @@
 #define DISABLED_MASK1 0
 #define DISABLED_MASK2 0
 #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR)
-#define DISABLED_MASK4 0
+#define DISABLED_MASK4 (DISABLE_PCID)
 #define DISABLED_MASK5 0
 #define DISABLED_MASK6 0
 #define DISABLED_MASK7 0
diff --git a/tools/include/asm-generic/hugetlb_encode.h b/tools/include/asm-generic/hugetlb_encode.h
new file mode 100644 (file)
index 0000000..e4732d3
--- /dev/null
@@ -0,0 +1,34 @@
+#ifndef _ASM_GENERIC_HUGETLB_ENCODE_H_
+#define _ASM_GENERIC_HUGETLB_ENCODE_H_
+
+/*
+ * Several system calls take a flag to request "hugetlb" huge pages.
+ * Without further specification, these system calls will use the
+ * system's default huge page size.  If a system supports multiple
+ * huge page sizes, the desired huge page size can be specified in
+ * bits [26:31] of the flag arguments.  The value in these 6 bits
+ * will encode the log2 of the huge page size.
+ *
+ * The following definitions are associated with this huge page size
+ * encoding in flag arguments.  System call specific header files
+ * that use this encoding should include this file.  They can then
+ * provide definitions based on these with their own specific prefix.
+ * for example:
+ * #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
+ */
+
+#define HUGETLB_FLAG_ENCODE_SHIFT      26
+#define HUGETLB_FLAG_ENCODE_MASK       0x3f
+
+#define HUGETLB_FLAG_ENCODE_64KB       (16 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_512KB      (19 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_1MB                (20 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_2MB                (21 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_8MB                (23 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16MB       (24 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_256MB      (28 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_1GB                (30 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_2GB                (31 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16GB       (34 << HUGETLB_FLAG_ENCODE_SHIFT)
+
+#endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */
index 8c27db0c5c08ce84fc7299bd9bff2cee571b9397..203268f9231e155d72307995989feab4857defe7 100644 (file)
                                           overrides the coredump filter bits */
 #define MADV_DODUMP    17              /* Clear the MADV_DONTDUMP flag */
 
+#define MADV_WIPEONFORK 18             /* Zero memory on fork, child only */
+#define MADV_KEEPONFORK 19             /* Undo MADV_WIPEONFORK */
+
 /* compatibility flags */
 #define MAP_FILE       0
 
-/*
- * When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size.
- * This gives us 6 bits, which is enough until someone invents 128 bit address
- * spaces.
- *
- * Assume these are all power of twos.
- * When 0 use the default page size.
- */
-#define MAP_HUGE_SHIFT 26
-#define MAP_HUGE_MASK  0x3f
-
 #define PKEY_DISABLE_ACCESS    0x1
 #define PKEY_DISABLE_WRITE     0x2
 #define PKEY_ACCESS_MASK       (PKEY_DISABLE_ACCESS |\
index 101593ab10ac795808db33848092eb62ac542560..97677cd6964db099689f96f11b9731c748bebcfa 100644 (file)
@@ -700,6 +700,7 @@ struct drm_prime_handle {
 
 struct drm_syncobj_create {
        __u32 handle;
+#define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0)
        __u32 flags;
 };
 
@@ -718,6 +719,24 @@ struct drm_syncobj_handle {
        __u32 pad;
 };
 
+#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
+#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
+struct drm_syncobj_wait {
+       __u64 handles;
+       /* absolute timeout */
+       __s64 timeout_nsec;
+       __u32 count_handles;
+       __u32 flags;
+       __u32 first_signaled; /* only valid when not waiting all */
+       __u32 pad;
+};
+
+struct drm_syncobj_array {
+       __u64 handles;
+       __u32 count_handles;
+       __u32 pad;
+};
+
 #if defined(__cplusplus)
 }
 #endif
@@ -840,6 +859,9 @@ extern "C" {
 #define DRM_IOCTL_SYNCOBJ_DESTROY      DRM_IOWR(0xC0, struct drm_syncobj_destroy)
 #define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct drm_syncobj_handle)
 #define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct drm_syncobj_handle)
+#define DRM_IOCTL_SYNCOBJ_WAIT         DRM_IOWR(0xC3, struct drm_syncobj_wait)
+#define DRM_IOCTL_SYNCOBJ_RESET                DRM_IOWR(0xC4, struct drm_syncobj_array)
+#define DRM_IOCTL_SYNCOBJ_SIGNAL       DRM_IOWR(0xC5, struct drm_syncobj_array)
 
 /**
  * Device specific ioctls should only be in their respective headers
index 7ccbd6a2bbe07b387b43bb8b4ac5eba0f52d1cd0..6598fb76d2c27741d2c916f914b70c5f472911f9 100644 (file)
@@ -260,6 +260,8 @@ typedef struct _drm_i915_sarea {
 #define DRM_I915_GEM_CONTEXT_GETPARAM  0x34
 #define DRM_I915_GEM_CONTEXT_SETPARAM  0x35
 #define DRM_I915_PERF_OPEN             0x36
+#define DRM_I915_PERF_ADD_CONFIG       0x37
+#define DRM_I915_PERF_REMOVE_CONFIG    0x38
 
 #define DRM_IOCTL_I915_INIT            DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
 #define DRM_IOCTL_I915_FLUSH           DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -315,6 +317,8 @@ typedef struct _drm_i915_sarea {
 #define DRM_IOCTL_I915_GEM_CONTEXT_GETPARAM    DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_GETPARAM, struct drm_i915_gem_context_param)
 #define DRM_IOCTL_I915_GEM_CONTEXT_SETPARAM    DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_SETPARAM, struct drm_i915_gem_context_param)
 #define DRM_IOCTL_I915_PERF_OPEN       DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_OPEN, struct drm_i915_perf_open_param)
+#define DRM_IOCTL_I915_PERF_ADD_CONFIG DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_ADD_CONFIG, struct drm_i915_perf_oa_config)
+#define DRM_IOCTL_I915_PERF_REMOVE_CONFIG      DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_REMOVE_CONFIG, __u64)
 
 /* Allow drivers to submit batchbuffers directly to hardware, relying
  * on the security mechanisms provided by hardware.
@@ -431,6 +435,11 @@ typedef struct drm_i915_irq_wait {
  */
 #define I915_PARAM_HAS_EXEC_BATCH_FIRST         48
 
+/* Query whether DRM_I915_GEM_EXECBUFFER2 supports supplying an array of
+ * drm_i915_gem_exec_fence structures.  See I915_EXEC_FENCE_ARRAY.
+ */
+#define I915_PARAM_HAS_EXEC_FENCE_ARRAY  49
+
 typedef struct drm_i915_getparam {
        __s32 param;
        /*
@@ -812,6 +821,17 @@ struct drm_i915_gem_exec_object2 {
        __u64 rsvd2;
 };
 
+struct drm_i915_gem_exec_fence {
+       /**
+        * User's handle for a drm_syncobj to wait on or signal.
+        */
+       __u32 handle;
+
+#define I915_EXEC_FENCE_WAIT            (1<<0)
+#define I915_EXEC_FENCE_SIGNAL          (1<<1)
+       __u32 flags;
+};
+
 struct drm_i915_gem_execbuffer2 {
        /**
         * List of gem_exec_object2 structs
@@ -826,7 +846,11 @@ struct drm_i915_gem_execbuffer2 {
        __u32 DR1;
        __u32 DR4;
        __u32 num_cliprects;
-       /** This is a struct drm_clip_rect *cliprects */
+       /**
+        * This is a struct drm_clip_rect *cliprects if I915_EXEC_FENCE_ARRAY
+        * is not set.  If I915_EXEC_FENCE_ARRAY is set, then this is a
+        * struct drm_i915_gem_exec_fence *fences.
+        */
        __u64 cliprects_ptr;
 #define I915_EXEC_RING_MASK              (7<<0)
 #define I915_EXEC_DEFAULT                (0<<0)
@@ -927,7 +951,14 @@ struct drm_i915_gem_execbuffer2 {
  * element).
  */
 #define I915_EXEC_BATCH_FIRST          (1<<18)
-#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_BATCH_FIRST<<1))
+
+/* Setting I915_FENCE_ARRAY implies that num_cliprects and cliprects_ptr
+ * define an array of i915_gem_exec_fence structures which specify a set of
+ * dma fences to wait upon or signal.
+ */
+#define I915_EXEC_FENCE_ARRAY   (1<<19)
+
+#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_ARRAY<<1))
 
 #define I915_EXEC_CONTEXT_ID_MASK      (0xffffffff)
 #define i915_execbuffer2_set_context_id(eb2, context) \
@@ -1467,6 +1498,22 @@ enum drm_i915_perf_record_type {
        DRM_I915_PERF_RECORD_MAX /* non-ABI */
 };
 
+/**
+ * Structure to upload perf dynamic configuration into the kernel.
+ */
+struct drm_i915_perf_oa_config {
+       /** String formatted like "%08x-%04x-%04x-%04x-%012x" */
+       char uuid[36];
+
+       __u32 n_mux_regs;
+       __u32 n_boolean_regs;
+       __u32 n_flex_regs;
+
+       __u64 __user mux_regs_ptr;
+       __u64 __user boolean_regs_ptr;
+       __u64 __user flex_regs_ptr;
+};
+
 #if defined(__cplusplus)
 }
 #endif
index 461811e5714092f17619902593b9ac47e8572a6d..43ab5c402f98f3c2dc15ccc49ec475530a39e401 100644 (file)
@@ -143,12 +143,6 @@ enum bpf_attach_type {
 
 #define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE
 
-enum bpf_sockmap_flags {
-       BPF_SOCKMAP_UNSPEC,
-       BPF_SOCKMAP_STRPARSER,
-       __MAX_BPF_SOCKMAP_FLAG
-};
-
 /* If BPF_F_ALLOW_OVERRIDE flag is used in BPF_PROG_ATTACH command
  * to the given target_fd cgroup the descendent cgroup will be able to
  * override effective bpf program that was inherited from this cgroup
@@ -368,9 +362,20 @@ union bpf_attr {
  * int bpf_redirect(ifindex, flags)
  *     redirect to another netdev
  *     @ifindex: ifindex of the net device
- *     @flags: bit 0 - if set, redirect to ingress instead of egress
- *             other bits - reserved
- *     Return: TC_ACT_REDIRECT
+ *     @flags:
+ *       cls_bpf:
+ *          bit 0 - if set, redirect to ingress instead of egress
+ *          other bits - reserved
+ *       xdp_bpf:
+ *         all bits - reserved
+ *     Return: cls_bpf: TC_ACT_REDIRECT on success or TC_ACT_SHOT on error
+ *            xdp_bfp: XDP_REDIRECT on success or XDP_ABORT on error
+ * int bpf_redirect_map(map, key, flags)
+ *     redirect to endpoint in map
+ *     @map: pointer to dev map
+ *     @key: index in map to lookup
+ *     @flags: --
+ *     Return: XDP_REDIRECT on success or XDP_ABORT on error
  *
  * u32 bpf_get_route_realm(skb)
  *     retrieve a dst's tclassid
@@ -632,7 +637,7 @@ union bpf_attr {
        FN(skb_adjust_room),            \
        FN(redirect_map),               \
        FN(sk_redirect_map),            \
-       FN(sock_map_update),
+       FN(sock_map_update),            \
 
 /* integer value in 'imm' field of BPF_CALL instruction selects which helper
  * function eBPF program intends to call
@@ -753,20 +758,23 @@ struct bpf_sock {
        __u32 family;
        __u32 type;
        __u32 protocol;
+       __u32 mark;
+       __u32 priority;
 };
 
 #define XDP_PACKET_HEADROOM 256
 
 /* User return codes for XDP prog type.
  * A valid XDP program must return one of these defined values. All other
- * return codes are reserved for future use. Unknown return codes will result
- * in packet drop.
+ * return codes are reserved for future use. Unknown return codes will
+ * result in packet drops and a warning via bpf_warn_invalid_xdp_action().
  */
 enum xdp_action {
        XDP_ABORTED = 0,
        XDP_DROP,
        XDP_PASS,
        XDP_TX,
+       XDP_REDIRECT,
 };
 
 /* user accessible metadata for XDP packet hook
index 6cd63c18708ae1d23dbc280ed49aed55f817a2f5..83888758741184f969f3b8fd1738e38bdc24da78 100644 (file)
@@ -711,7 +711,8 @@ struct kvm_ppc_one_seg_page_size {
 struct kvm_ppc_smmu_info {
        __u64 flags;
        __u32 slb_size;
-       __u32 pad;
+       __u16 data_keys;        /* # storage keys supported for data */
+       __u16 instr_keys;       /* # storage keys supported for instructions */
        struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 };
 
index 81d8edf11789aaae96a25da00b8a8f3ec0ed83aa..a937480d7cd345f4e1b12c2e409f58c0489e8a4e 100644 (file)
@@ -1,7 +1,8 @@
 #ifndef _UAPI_LINUX_MMAN_H
 #define _UAPI_LINUX_MMAN_H
 
-#include <uapi/asm/mman.h>
+#include <asm/mman.h>
+#include <asm-generic/hugetlb_encode.h>
 
 #define MREMAP_MAYMOVE 1
 #define MREMAP_FIXED   2
 #define OVERCOMMIT_ALWAYS              1
 #define OVERCOMMIT_NEVER               2
 
+/*
+ * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
+ * size other than the default is desired.  See hugetlb_encode.h.
+ * All known huge page size encodings are provided here.  It is the
+ * responsibility of the application to know which sizes are supported on
+ * the running system.  See mmap(2) man page for details.
+ */
+#define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
+#define MAP_HUGE_MASK  HUGETLB_FLAG_ENCODE_MASK
+
+#define MAP_HUGE_64KB  HUGETLB_FLAG_ENCODE_64KB
+#define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
+#define MAP_HUGE_1MB   HUGETLB_FLAG_ENCODE_1MB
+#define MAP_HUGE_2MB   HUGETLB_FLAG_ENCODE_2MB
+#define MAP_HUGE_8MB   HUGETLB_FLAG_ENCODE_8MB
+#define MAP_HUGE_16MB  HUGETLB_FLAG_ENCODE_16MB
+#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
+#define MAP_HUGE_1GB   HUGETLB_FLAG_ENCODE_1GB
+#define MAP_HUGE_2GB   HUGETLB_FLAG_ENCODE_2GB
+#define MAP_HUGE_16GB  HUGETLB_FLAG_ENCODE_16GB
+
 #endif /* _UAPI_LINUX_MMAN_H */
index 62072822dc85d986671b6b15587229f81cfe19ec..627b7cada1442b65dbbcc600661f35caf8429cdc 100644 (file)
@@ -1,34 +1,8 @@
 tools/perf
-tools/arch/alpha/include/asm/barrier.h
-tools/arch/arm/include/asm/barrier.h
-tools/arch/arm64/include/asm/barrier.h
-tools/arch/ia64/include/asm/barrier.h
-tools/arch/mips/include/asm/barrier.h
-tools/arch/powerpc/include/asm/barrier.h
-tools/arch/s390/include/asm/barrier.h
-tools/arch/sh/include/asm/barrier.h
-tools/arch/sparc/include/asm/barrier.h
-tools/arch/sparc/include/asm/barrier_32.h
-tools/arch/sparc/include/asm/barrier_64.h
-tools/arch/tile/include/asm/barrier.h
-tools/arch/x86/include/asm/barrier.h
-tools/arch/x86/include/asm/cmpxchg.h
-tools/arch/x86/include/asm/cpufeatures.h
-tools/arch/x86/include/asm/disabled-features.h
-tools/arch/x86/include/asm/required-features.h
-tools/arch/x86/include/uapi/asm/svm.h
-tools/arch/x86/include/uapi/asm/vmx.h
-tools/arch/x86/include/uapi/asm/kvm.h
-tools/arch/x86/include/uapi/asm/kvm_perf.h
-tools/arch/x86/lib/memcpy_64.S
-tools/arch/x86/lib/memset_64.S
-tools/arch/s390/include/uapi/asm/kvm_perf.h
-tools/arch/s390/include/uapi/asm/sie.h
-tools/arch/xtensa/include/asm/barrier.h
+tools/arch
 tools/scripts
 tools/build
-tools/arch/x86/include/asm/atomic.h
-tools/arch/x86/include/asm/rmwcc.h
+tools/include
 tools/lib/traceevent
 tools/lib/api
 tools/lib/bpf
@@ -42,60 +16,3 @@ tools/lib/find_bit.c
 tools/lib/bitmap.c
 tools/lib/str_error_r.c
 tools/lib/vsprintf.c
-tools/include/asm/alternative-asm.h
-tools/include/asm/atomic.h
-tools/include/asm/barrier.h
-tools/include/asm/bug.h
-tools/include/asm-generic/atomic-gcc.h
-tools/include/asm-generic/barrier.h
-tools/include/asm-generic/bitops/arch_hweight.h
-tools/include/asm-generic/bitops/atomic.h
-tools/include/asm-generic/bitops/const_hweight.h
-tools/include/asm-generic/bitops/__ffs.h
-tools/include/asm-generic/bitops/__ffz.h
-tools/include/asm-generic/bitops/__fls.h
-tools/include/asm-generic/bitops/find.h
-tools/include/asm-generic/bitops/fls64.h
-tools/include/asm-generic/bitops/fls.h
-tools/include/asm-generic/bitops/hweight.h
-tools/include/asm-generic/bitops.h
-tools/include/linux/atomic.h
-tools/include/linux/bitops.h
-tools/include/linux/compiler.h
-tools/include/linux/compiler-gcc.h
-tools/include/linux/coresight-pmu.h
-tools/include/linux/bug.h
-tools/include/linux/filter.h
-tools/include/linux/hash.h
-tools/include/linux/kernel.h
-tools/include/linux/list.h
-tools/include/linux/log2.h
-tools/include/uapi/asm-generic/fcntl.h
-tools/include/uapi/asm-generic/ioctls.h
-tools/include/uapi/asm-generic/mman-common.h
-tools/include/uapi/asm-generic/mman.h
-tools/include/uapi/drm/drm.h
-tools/include/uapi/drm/i915_drm.h
-tools/include/uapi/linux/bpf.h
-tools/include/uapi/linux/bpf_common.h
-tools/include/uapi/linux/fcntl.h
-tools/include/uapi/linux/hw_breakpoint.h
-tools/include/uapi/linux/kvm.h
-tools/include/uapi/linux/mman.h
-tools/include/uapi/linux/perf_event.h
-tools/include/uapi/linux/sched.h
-tools/include/uapi/linux/stat.h
-tools/include/uapi/linux/vhost.h
-tools/include/uapi/sound/asound.h
-tools/include/linux/poison.h
-tools/include/linux/rbtree.h
-tools/include/linux/rbtree_augmented.h
-tools/include/linux/refcount.h
-tools/include/linux/string.h
-tools/include/linux/stringify.h
-tools/include/linux/types.h
-tools/include/linux/err.h
-tools/include/linux/bitmap.h
-tools/include/linux/time64.h
-tools/arch/*/include/uapi/asm/mman.h
-tools/arch/*/include/uapi/asm/perf_regs.h
index bd518b623d7a203e576653705866f910409fa144..5bd7b9260cc0858c36730ee367aecc56df6c91bb 100644 (file)
@@ -1,5 +1,4 @@
 libperf-y += header.o
-libperf-y += sym-handling.o
 libperf-y += kvm-stat.o
 
 libperf-$(CONFIG_DWARF) += dwarf-regs.o
diff --git a/tools/perf/arch/s390/util/sym-handling.c b/tools/perf/arch/s390/util/sym-handling.c
deleted file mode 100644 (file)
index e103f6e..0000000
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Architecture specific ELF symbol handling and relocation mapping.
- *
- * Copyright 2017 IBM Corp.
- * Author(s): Thomas Richter <tmricht@linux.vnet.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License (version 2 only)
- * as published by the Free Software Foundation.
- */
-
-#include "symbol.h"
-
-#ifdef HAVE_LIBELF_SUPPORT
-bool elf__needs_adjust_symbols(GElf_Ehdr ehdr)
-{
-       if (ehdr.e_type == ET_EXEC)
-               return false;
-       return ehdr.e_type == ET_REL || ehdr.e_type == ET_DYN;
-}
-
-void arch__adjust_sym_map_offset(GElf_Sym *sym,
-                                GElf_Shdr *shdr __maybe_unused,
-                                struct map *map)
-{
-       if (map->type == MAP__FUNCTION)
-               sym->st_value += map->start;
-}
-#endif
index 510b513e0f01fe96e110b9eab45db527b8c86104..be09d77cade02edde9973597219ac8b4ee50d3bc 100644 (file)
@@ -65,8 +65,6 @@ static int parse_callchain_mode(const char *value)
                callchain_param.mode = CHAIN_FOLDED;
                return 0;
        }
-
-       pr_err("Invalid callchain mode: %s\n", value);
        return -1;
 }
 
@@ -82,8 +80,6 @@ static int parse_callchain_order(const char *value)
                callchain_param.order_set = true;
                return 0;
        }
-
-       pr_err("Invalid callchain order: %s\n", value);
        return -1;
 }
 
@@ -105,8 +101,6 @@ static int parse_callchain_sort_key(const char *value)
                callchain_param.branch_callstack = 1;
                return 0;
        }
-
-       pr_err("Invalid callchain sort key: %s\n", value);
        return -1;
 }
 
@@ -124,8 +118,6 @@ static int parse_callchain_value(const char *value)
                callchain_param.value = CCVAL_COUNT;
                return 0;
        }
-
-       pr_err("Invalid callchain config key: %s\n", value);
        return -1;
 }
 
@@ -319,12 +311,27 @@ int perf_callchain_config(const char *var, const char *value)
 
                return ret;
        }
-       if (!strcmp(var, "print-type"))
-               return parse_callchain_mode(value);
-       if (!strcmp(var, "order"))
-               return parse_callchain_order(value);
-       if (!strcmp(var, "sort-key"))
-               return parse_callchain_sort_key(value);
+       if (!strcmp(var, "print-type")){
+               int ret;
+               ret = parse_callchain_mode(value);
+               if (ret == -1)
+                       pr_err("Invalid callchain mode: %s\n", value);
+               return ret;
+       }
+       if (!strcmp(var, "order")){
+               int ret;
+               ret = parse_callchain_order(value);
+               if (ret == -1)
+                       pr_err("Invalid callchain order: %s\n", value);
+               return ret;
+       }
+       if (!strcmp(var, "sort-key")){
+               int ret;
+               ret = parse_callchain_sort_key(value);
+               if (ret == -1)
+                       pr_err("Invalid callchain sort key: %s\n", value);
+               return ret;
+       }
        if (!strcmp(var, "threshold")) {
                callchain_param.min_percent = strtod(value, &endptr);
                if (value == endptr) {
index 4bb89373eb52893e7a3c7206da85af1e72afdfc3..0dccdb89572cdb455724a6a48a86d96821fc53e2 100644 (file)
@@ -271,12 +271,17 @@ struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
        return evsel;
 }
 
+static bool perf_event_can_profile_kernel(void)
+{
+       return geteuid() == 0 || perf_event_paranoid() == -1;
+}
+
 struct perf_evsel *perf_evsel__new_cycles(bool precise)
 {
        struct perf_event_attr attr = {
                .type   = PERF_TYPE_HARDWARE,
                .config = PERF_COUNT_HW_CPU_CYCLES,
-               .exclude_kernel = geteuid() != 0,
+               .exclude_kernel = !perf_event_can_profile_kernel(),
        };
        struct perf_evsel *evsel;
 
index 5c39f420111e5f679fa4a486383174d9c10d68b5..9cf781f0d8a2d797c88bf0bef5cab8759a6cbf96 100644 (file)
@@ -810,12 +810,6 @@ static u64 ref_reloc(struct kmap *kmap)
 void __weak arch__sym_update(struct symbol *s __maybe_unused,
                GElf_Sym *sym __maybe_unused) { }
 
-void __weak arch__adjust_sym_map_offset(GElf_Sym *sym, GElf_Shdr *shdr,
-                                      struct map *map __maybe_unused)
-{
-       sym->st_value -= shdr->sh_addr - shdr->sh_offset;
-}
-
 int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
                  struct symsrc *runtime_ss, int kmodule)
 {
@@ -996,7 +990,7 @@ int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
 
                        /* Adjust symbol to map to file offset */
                        if (adjust_kernel_syms)
-                               arch__adjust_sym_map_offset(&sym, &shdr, map);
+                               sym.st_value -= shdr.sh_addr - shdr.sh_offset;
 
                        if (strcmp(section_name,
                                   (curr_dso->short_name +
index 2bd6a1f01a1cc5b5bb15ee0aae59ae921ebe2a86..aad99e7e179bbb8f95bd39cf0d659d136ed2ef6d 100644 (file)
@@ -344,9 +344,6 @@ int setup_intlist(struct intlist **list, const char *list_str,
 #ifdef HAVE_LIBELF_SUPPORT
 bool elf__needs_adjust_symbols(GElf_Ehdr ehdr);
 void arch__sym_update(struct symbol *s, GElf_Sym *sym);
-void arch__adjust_sym_map_offset(GElf_Sym *sym,
-                                GElf_Shdr *shdr __maybe_unused,
-                                struct map *map __maybe_unused);
 #endif
 
 #define SYMBOL_A 0
index 19e5db90394c2bf03ec1c08810c270cb965f65c8..6eea7cff3d4e96473644fcd7c034a8a32abfcb10 100644 (file)
@@ -15,9 +15,9 @@
 
 #include "syscalltbl.h"
 #include <stdlib.h>
+#include <linux/compiler.h>
 
 #ifdef HAVE_SYSCALL_TABLE
-#include <linux/compiler.h>
 #include <string.h>
 #include "string2.h"
 #include "util.h"