Merge tag 'perf-core-for-mingo-4.15-20171103' of... (340b5319) · Commits · e / devices / android_kernel_fairphone_FP4

tools/include/uapi/linux/kcmp.h

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+27 −0

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		#ifndef _UAPI_LINUX_KCMP_H
		#define _UAPI_LINUX_KCMP_H

		#include <linux/types.h>

		/* Comparison type */
		enum kcmp_type {
		KCMP_FILE,
		KCMP_VM,
		KCMP_FILES,
		KCMP_FS,
		KCMP_SIGHAND,
		KCMP_IO,
		KCMP_SYSVSEM,
		KCMP_EPOLL_TFD,

		KCMP_TYPES,
		};

		/* Slot for KCMP_EPOLL_TFD */
		struct kcmp_epoll_slot {
		__u32 efd; /* epoll file descriptor */
		__u32 tfd; /* target file number */
		__u32 toff; /* target offset within same numbered sequence */
		};

		#endif /* _UAPI_LINUX_KCMP_H */

tools/include/uapi/linux/prctl.h

0 → 100644

+200 −0

Original line number	Diff line number	Diff line
		#ifndef _LINUX_PRCTL_H
		#define _LINUX_PRCTL_H

		#include <linux/types.h>

		/* Values to pass as first argument to prctl() */

		#define PR_SET_PDEATHSIG 1 /* Second arg is a signal */
		#define PR_GET_PDEATHSIG 2 /* Second arg is a ptr to return the signal */

		/* Get/set current->mm->dumpable */
		#define PR_GET_DUMPABLE 3
		#define PR_SET_DUMPABLE 4

		/* Get/set unaligned access control bits (if meaningful) */
		#define PR_GET_UNALIGN 5
		#define PR_SET_UNALIGN 6
		# define PR_UNALIGN_NOPRINT 1 /* silently fix up unaligned user accesses */
		# define PR_UNALIGN_SIGBUS 2 /* generate SIGBUS on unaligned user access */

		/* Get/set whether or not to drop capabilities on setuid() away from
		* uid 0 (as per security/commoncap.c) */
		#define PR_GET_KEEPCAPS 7
		#define PR_SET_KEEPCAPS 8

		/* Get/set floating-point emulation control bits (if meaningful) */
		#define PR_GET_FPEMU 9
		#define PR_SET_FPEMU 10
		# define PR_FPEMU_NOPRINT 1 /* silently emulate fp operations accesses */
		# define PR_FPEMU_SIGFPE 2 /* don't emulate fp operations, send SIGFPE instead */

		/* Get/set floating-point exception mode (if meaningful) */
		#define PR_GET_FPEXC 11
		#define PR_SET_FPEXC 12
		# define PR_FP_EXC_SW_ENABLE 0x80 /* Use FPEXC for FP exception enables */
		# define PR_FP_EXC_DIV 0x010000 /* floating point divide by zero */
		# define PR_FP_EXC_OVF 0x020000 /* floating point overflow */
		# define PR_FP_EXC_UND 0x040000 /* floating point underflow */
		# define PR_FP_EXC_RES 0x080000 /* floating point inexact result */
		# define PR_FP_EXC_INV 0x100000 /* floating point invalid operation */
		# define PR_FP_EXC_DISABLED 0 /* FP exceptions disabled */
		# define PR_FP_EXC_NONRECOV 1 /* async non-recoverable exc. mode */
		# define PR_FP_EXC_ASYNC 2 /* async recoverable exception mode */
		# define PR_FP_EXC_PRECISE 3 /* precise exception mode */

		/* Get/set whether we use statistical process timing or accurate timestamp
		* based process timing */
		#define PR_GET_TIMING 13
		#define PR_SET_TIMING 14
		# define PR_TIMING_STATISTICAL 0 /* Normal, traditional,
		statistical process timing */
		# define PR_TIMING_TIMESTAMP 1 /* Accurate timestamp based
		process timing */

		#define PR_SET_NAME 15 /* Set process name */
		#define PR_GET_NAME 16 /* Get process name */

		/* Get/set process endian */
		#define PR_GET_ENDIAN 19
		#define PR_SET_ENDIAN 20
		# define PR_ENDIAN_BIG 0
		# define PR_ENDIAN_LITTLE 1 /* True little endian mode */
		# define PR_ENDIAN_PPC_LITTLE 2 /* "PowerPC" pseudo little endian */

		/* Get/set process seccomp mode */
		#define PR_GET_SECCOMP 21
		#define PR_SET_SECCOMP 22

		/* Get/set the capability bounding set (as per security/commoncap.c) */
		#define PR_CAPBSET_READ 23
		#define PR_CAPBSET_DROP 24

		/* Get/set the process' ability to use the timestamp counter instruction */
		#define PR_GET_TSC 25
		#define PR_SET_TSC 26
		# define PR_TSC_ENABLE 1 /* allow the use of the timestamp counter */
		# define PR_TSC_SIGSEGV 2 /* throw a SIGSEGV instead of reading the TSC */

		/* Get/set securebits (as per security/commoncap.c) */
		#define PR_GET_SECUREBITS 27
		#define PR_SET_SECUREBITS 28

		/*
		* Get/set the timerslack as used by poll/select/nanosleep
		* A value of 0 means "use default"
		*/
		#define PR_SET_TIMERSLACK 29
		#define PR_GET_TIMERSLACK 30

		#define PR_TASK_PERF_EVENTS_DISABLE 31
		#define PR_TASK_PERF_EVENTS_ENABLE 32

		/*
		* Set early/late kill mode for hwpoison memory corruption.
		* This influences when the process gets killed on a memory corruption.
		*/
		#define PR_MCE_KILL 33
		# define PR_MCE_KILL_CLEAR 0
		# define PR_MCE_KILL_SET 1

		# define PR_MCE_KILL_LATE 0
		# define PR_MCE_KILL_EARLY 1
		# define PR_MCE_KILL_DEFAULT 2

		#define PR_MCE_KILL_GET 34

		/*
		* Tune up process memory map specifics.
		*/
		#define PR_SET_MM 35
		# define PR_SET_MM_START_CODE 1
		# define PR_SET_MM_END_CODE 2
		# define PR_SET_MM_START_DATA 3
		# define PR_SET_MM_END_DATA 4
		# define PR_SET_MM_START_STACK 5
		# define PR_SET_MM_START_BRK 6
		# define PR_SET_MM_BRK 7
		# define PR_SET_MM_ARG_START 8
		# define PR_SET_MM_ARG_END 9
		# define PR_SET_MM_ENV_START 10
		# define PR_SET_MM_ENV_END 11
		# define PR_SET_MM_AUXV 12
		# define PR_SET_MM_EXE_FILE 13
		# define PR_SET_MM_MAP 14
		# define PR_SET_MM_MAP_SIZE 15

		/*
		* This structure provides new memory descriptor
		* map which mostly modifies /proc/pid/stat[m]
		* output for a task. This mostly done in a
		* sake of checkpoint/restore functionality.
		*/
		struct prctl_mm_map {
		__u64 start_code; /* code section bounds */
		__u64 end_code;
		__u64 start_data; /* data section bounds */
		__u64 end_data;
		__u64 start_brk; /* heap for brk() syscall */
		__u64 brk;
		__u64 start_stack; /* stack starts at */
		__u64 arg_start; /* command line arguments bounds */
		__u64 arg_end;
		__u64 env_start; /* environment variables bounds */
		__u64 env_end;
		__u64 auxv; / auxiliary vector */
		__u32 auxv_size; /* vector size */
		__u32 exe_fd; /* /proc/$pid/exe link file */
		};

		/*
		* Set specific pid that is allowed to ptrace the current task.
		* A value of 0 mean "no process".
		*/
		#define PR_SET_PTRACER 0x59616d61
		# define PR_SET_PTRACER_ANY ((unsigned long)-1)

		#define PR_SET_CHILD_SUBREAPER 36
		#define PR_GET_CHILD_SUBREAPER 37

		/*
		* If no_new_privs is set, then operations that grant new privileges (i.e.
		* execve) will either fail or not grant them. This affects suid/sgid,
		* file capabilities, and LSMs.
		*
		* Operations that merely manipulate or drop existing privileges (setresuid,
		* capset, etc.) will still work. Drop those privileges if you want them gone.
		*
		* Changing LSM security domain is considered a new privilege. So, for example,
		* asking selinux for a specific new context (e.g. with runcon) will result
		* in execve returning -EPERM.
		*
		* See Documentation/prctl/no_new_privs.txt for more details.
		*/
		#define PR_SET_NO_NEW_PRIVS 38
		#define PR_GET_NO_NEW_PRIVS 39

		#define PR_GET_TID_ADDRESS 40

		#define PR_SET_THP_DISABLE 41
		#define PR_GET_THP_DISABLE 42

		/*
		* Tell the kernel to start/stop helping userspace manage bounds tables.
		*/
		#define PR_MPX_ENABLE_MANAGEMENT 43
		#define PR_MPX_DISABLE_MANAGEMENT 44

		#define PR_SET_FP_MODE 45
		#define PR_GET_FP_MODE 46
		# define PR_FP_MODE_FR (1 << 0) /* 64b FP registers */
		# define PR_FP_MODE_FRE (1 << 1) /* 32b compatibility */

		/* Control the ambient capability set */
		#define PR_CAP_AMBIENT 47
		# define PR_CAP_AMBIENT_IS_SET 1
		# define PR_CAP_AMBIENT_RAISE 2
		# define PR_CAP_AMBIENT_LOWER 3
		# define PR_CAP_AMBIENT_CLEAR_ALL 4

		#endif /* _LINUX_PRCTL_H */

tools/perf/Documentation/perf-script.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -325,6 +325,10 @@ include::itrace.txt[]
		Set the maximum number of program blocks to print with brstackasm for
		each sample.

		--per-event-dump::
		Create per event files with a "perf.data.EVENT.dump" name instead of
		printing to stdout, useful, for instance, for generating flamegraphs.

		--inline::
		If a callgraph address belongs to an inlined function, the inline stack
		will be printed. Each entry has function name and file/line. Enabled by

tools/perf/Makefile.perf

+20 −2

Original line number	Diff line number	Diff line
		@@ -420,6 +420,13 @@ sndrv_pcm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/sndrv_pcm_ioctl.sh
		$(sndrv_pcm_ioctl_array): $(sndrv_pcm_hdr_dir)/asound.h $(sndrv_pcm_ioctl_tbl)
		$(Q)$(SHELL) '$(sndrv_pcm_ioctl_tbl)' $(sndrv_pcm_hdr_dir) > $@

		kcmp_type_array := $(beauty_outdir)/kcmp_type_array.c
		kcmp_hdr_dir := $(srctree)/tools/include/uapi/linux/
		kcmp_type_tbl := $(srctree)/tools/perf/trace/beauty/kcmp_type.sh

		$(kcmp_type_array): $(kcmp_hdr_dir)/kcmp.h $(kcmp_type_tbl)
		$(Q)$(SHELL) '$(kcmp_type_tbl)' $(kcmp_hdr_dir) > $@

		kvm_ioctl_array := $(beauty_ioctl_outdir)/kvm_ioctl_array.c
		kvm_hdr_dir := $(srctree)/tools/include/uapi/linux
		kvm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/kvm_ioctl.sh
		@@ -448,6 +455,13 @@ madvise_behavior_tbl := $(srctree)/tools/perf/trace/beauty/madvise_behavior.sh
		$(madvise_behavior_array): $(madvise_hdr_dir)/mman-common.h $(madvise_behavior_tbl)
		$(Q)$(SHELL) '$(madvise_behavior_tbl)' $(madvise_hdr_dir) > $@

		prctl_option_array := $(beauty_outdir)/prctl_option_array.c
		prctl_hdr_dir := $(srctree)/tools/include/uapi/linux/
		prctl_option_tbl := $(srctree)/tools/perf/trace/beauty/prctl_option.sh

		$(prctl_option_array): $(prctl_hdr_dir)/prctl.h $(prctl_option_tbl)
		$(Q)$(SHELL) '$(prctl_option_tbl)' $(prctl_hdr_dir) > $@

		all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)

		$(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBTRACEEVENT_DYNAMIC_LIST)
		@@ -546,10 +560,12 @@ prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders $(drm_ioc
		$(pkey_alloc_access_rights_array) \
		$(sndrv_pcm_ioctl_array) \
		$(sndrv_ctl_ioctl_array) \
		$(kcmp_type_array) \
		$(kvm_ioctl_array) \
		$(vhost_virtio_ioctl_array) \
		$(madvise_behavior_array) \
		$(perf_ioctl_array)
		$(perf_ioctl_array) \
		$(prctl_option_array)

		$(OUTPUT)%.o: %.c prepare FORCE
		$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
		@@ -828,8 +844,10 @@ clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clea
		$(OUTPUT)$(sndrv_ctl_ioctl_array) \
		$(OUTPUT)$(sndrv_pcm_ioctl_array) \
		$(OUTPUT)$(kvm_ioctl_array) \
		$(OUTPUT)$(kcmp_type_array) \
		$(OUTPUT)$(vhost_virtio_ioctl_array) \
		$(OUTPUT)$(perf_ioctl_array)
		$(OUTPUT)$(perf_ioctl_array) \
		$(OUTPUT)$(prctl_option_array)
		$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean

		#

tools/perf/builtin-annotate.c

+5 −5

Original line number	Diff line number	Diff line
		@@ -356,7 +356,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
		}

		if (total_nr_samples == 0) {
		ui__error("The %s file has no samples!\n", session->file->path);
		ui__error("The %s file has no samples!\n", session->data->file.path);
		goto out;
		}

		@@ -400,7 +400,7 @@ int cmd_annotate(int argc, const char **argv)
		.ordering_requires_timestamps = true,
		},
		};
		struct perf_data_file file = {
		struct perf_data data = {
		.mode = PERF_DATA_MODE_READ,
		};
		struct option options[] = {
		@@ -410,7 +410,7 @@ int cmd_annotate(int argc, const char **argv)
		"only consider symbols in these dsos"),
		OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",
		"symbol to annotate"),
		OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
		OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
		OPT_INCR('v', "verbose", &verbose,
		"be more verbose (show symbol address, etc)"),
		OPT_BOOLEAN('q', "quiet", &quiet, "do now show any message"),
		@@ -482,9 +482,9 @@ int cmd_annotate(int argc, const char **argv)
		if (quiet)
		perf_quiet_option();

		file.path = input_name;
		data.file.path = input_name;

		annotate.session = perf_session__new(&file, false, &annotate.tool);
		annotate.session = perf_session__new(&data, false, &annotate.tool);
		if (annotate.session == NULL)
		return -1;