perf-util.c File Reference

#include <linux/version.h>
#include <ctype.h>
#include <hpcrun/cct_insert_backtrace.h>
#include <hpcrun/utilities/tokenize.h>
#include <lib/support-lean/OSUtil.h>
#include <include/linux_info.h>
#include "perf-util.h"
#include "perf_skid.h"

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Macros
#define	HPCRUN_OPTION_PERF_COUNT   "HPCRUN_PERF_COUNT"
#define	DEFAULT_THRESHOLD   300
#define	MAX_BUFFER_LINUX_KERNEL   128

Functions
static cct_node_t *	perf_split_retained_node (cct_node_t *node)
static cct_node_t *	perf_insert_cct (uint16_t lm_id, cct_node_t *parent, u64 ip)
static int	perf_util_get_kptr_restrict ()
static uint16_t	perf_get_kernel_lm_id ()
static int	perf_util_kernel_syms_avail ()
static int	perf_util_get_max_sample_rate ()
static void	set_default_threshold ()
void	perf_util_init ()
bool	perf_util_is_ksym_available ()
void	perf_util_get_default_threshold (struct event_threshold_s *threshold)
cct_node_t *	perf_util_add_kernel_callchain (cct_node_t *leaf, void *data_aux)
int	perf_util_attr_init (const char *event_name, struct perf_event_attr *attr, bool usePeriod, u64 threshold, u64 sampletype)

Variables
const u64	anomalous_ip = 0xffffffffffffff80
static uint16_t	perf_kernel_lm_id = 0
static enum perf_ksym_e	ksym_status = PERF_UNDEFINED
static struct event_threshold_s	default_threshold = {DEFAULT_THRESHOLD, FREQUENCY}
static spinlock_t	perf_lock = SPINLOCK_UNLOCKED

Macro Definition Documentation

DEFAULT_THRESHOLD

#define DEFAULT_THRESHOLD   300

Definition at line 77 of file perf-util.c.

HPCRUN_OPTION_PERF_COUNT

#define HPCRUN_OPTION_PERF_COUNT   "HPCRUN_PERF_COUNT"

Definition at line 67 of file perf-util.c.

MAX_BUFFER_LINUX_KERNEL

#define MAX_BUFFER_LINUX_KERNEL   128

Definition at line 78 of file perf-util.c.

Function Documentation

perf_get_kernel_lm_id()

static uint16_t perf_get_kernel_lm_id ( )

static

Definition at line 196 of file perf-util.c.

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perf_insert_cct()

static cct_node_t* perf_insert_cct ( uint16_t  lm_id, cct_node_t *  parent, u64  ip  )

static

Definition at line 153 of file perf-util.c.

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perf_split_retained_node()

static cct_node_t* perf_split_retained_node ( cct_node_t *  node )

static

Definition at line 123 of file perf-util.c.

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perf_util_add_kernel_callchain()

cct_node_t* perf_util_add_kernel_callchain	(	cct_node_t *	leaf,
		void *	data_aux
	)

Definition at line 358 of file perf-util.c.

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perf_util_attr_init()

int perf_util_attr_init	(	const char *	event_name,
		struct perf_event_attr *	attr,
		bool	usePeriod,
		u64	threshold,
		u64	sampletype
	)

Definition at line 403 of file perf-util.c.

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perf_util_get_default_threshold()

void perf_util_get_default_threshold

(

struct event_threshold_s *

threshold

)

Definition at line 347 of file perf-util.c.

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perf_util_get_kptr_restrict()

static int perf_util_get_kptr_restrict ( )

static

Definition at line 178 of file perf-util.c.

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perf_util_get_max_sample_rate()

static int perf_util_get_max_sample_rate ( )

static

Definition at line 251 of file perf-util.c.

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perf_util_init()

void perf_util_init

(

)

Definition at line 303 of file perf-util.c.

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perf_util_is_ksym_available()

bool perf_util_is_ksym_available

(

)

Definition at line 339 of file perf-util.c.

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perf_util_kernel_syms_avail()

static int perf_util_kernel_syms_avail ( )

static

Definition at line 227 of file perf-util.c.

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set_default_threshold()

static void set_default_threshold ( )

static

Definition at line 273 of file perf-util.c.

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Variable Documentation

anomalous_ip

const u64 anomalous_ip = 0xffffffffffffff80

Definition at line 85 of file perf-util.c.

default_threshold

struct event_threshold_s default_threshold = {DEFAULT_THRESHOLD, FREQUENCY}

static

Definition at line 101 of file perf-util.c.

ksym_status

enum perf_ksym_e ksym_status = PERF_UNDEFINED

static

Definition at line 99 of file perf-util.c.

perf_kernel_lm_id

uint16_t perf_kernel_lm_id = 0

static

Definition at line 97 of file perf-util.c.

perf_lock

spinlock_t perf_lock = SPINLOCK_UNLOCKED

static

Definition at line 116 of file perf-util.c.