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perf/urgent fixes:

Browse Source 
- 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>
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Merge tag 'perf-urgent-for-mingo-4.14-20170928' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

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>
This commit is contained in:
Ingo Molnar 2017-09-29 19:31:46 +02:00
commit 1addcd55bc
18 changed files with 195 additions and 169 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
tools/arch/s390/include/uapi/asm/kvm.h
View 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 */

2
tools/arch/x86/include/asm/cpufeatures.h
View File

@ -196,6 +196,7 @@
#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 */
@ -287,6 +288,7 @@
#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*/

4
tools/arch/x86/include/asm/disabled-features.h
View File

@ -21,11 +21,13 @@
# 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

34
tools/include/asm-generic/hugetlb_encode.h Normal file
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@ -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_ */

14
tools/include/uapi/asm-generic/mman-common.h
View File

@ -58,20 +58,12 @@
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 |\

22
tools/include/uapi/drm/drm.h
View 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

51
tools/include/uapi/drm/i915_drm.h
View 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

32
tools/include/uapi/linux/bpf.h
View 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

3
tools/include/uapi/linux/kvm.h
View 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];
};

24
tools/include/uapi/linux/mman.h
View 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
@ -10,4 +11,25 @@
#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 */

87
tools/perf/MANIFEST
View 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

1
tools/perf/arch/s390/util/Build
View 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

29
tools/perf/arch/s390/util/sym-handling.c
View File

@ -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

35
tools/perf/util/callchain.c
View 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) {

7
tools/perf/util/evsel.c
View 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;

8
tools/perf/util/symbol-elf.c
View 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 +

3
tools/perf/util/symbol.h
View 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

2
tools/perf/util/syscalltbl.c
View 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"