#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <errno.h>
#include <stdint.h>
#include <inttypes.h>
#include <linux/compiler.h>
#include "../cache.h"
#include "../util.h"
#include "intel-pt-insn-decoder.h"
#include "intel-pt-pkt-decoder.h"
#include "intel-pt-decoder.h"
#include "intel-pt-log.h"

Include dependency graph for intel-pt-decoder.c:

Classes
struct	intel_pt_blk

struct	intel_pt_stack

struct	intel_pt_decoder

struct	intel_pt_pkt_info

struct	intel_pt_calc_cyc_to_tsc_info

Macros
#define	_GNU_SOURCE

#define	INTEL_PT_BLK_SIZE 1024

#define	BIT63 (((uint64_t)1 << 63))

#define	INTEL_PT_RETURN 1

#define	INTEL_PT_MAX_LOOPS 10000

#define	INTEL_PT_STATE_ERR1 (decoder->pkt_state)

#define	INTEL_PT_STATE_ERR2 INTEL_PT_STATE_NO_IP

#define	INTEL_PT_STATE_ERR3 INTEL_PT_STATE_ERR_RESYNC

#define	INTEL_PT_STATE_ERR4 INTEL_PT_STATE_IN_SYNC

Typedefs
typedef int(*	intel_pt_pkt_cb_t) (struct intel_pt_pkt_info *pkt_info)

Enumerations
enum	intel_pt_pkt_state { INTEL_PT_STATE_NO_PSB, INTEL_PT_STATE_NO_IP, INTEL_PT_STATE_ERR_RESYNC, INTEL_PT_STATE_IN_SYNC, INTEL_PT_STATE_TNT, INTEL_PT_STATE_TIP, INTEL_PT_STATE_TIP_PGD, INTEL_PT_STATE_FUP, INTEL_PT_STATE_FUP_NO_TIP }

Functions
static bool	intel_pt_sample_time (enum intel_pt_pkt_state pkt_state)

static uint64_t	intel_pt_lower_power_of_2 (uint64_t x)

static void	intel_pt_setup_period (struct intel_pt_decoder *decoder)

static uint64_t	multdiv (uint64_t t, uint32_t n, uint32_t d)

struct intel_pt_decoder *	intel_pt_decoder_new (struct intel_pt_params *params)

static void	intel_pt_pop_blk (struct intel_pt_stack *stack)

static uint64_t	intel_pt_pop (struct intel_pt_stack *stack)

static int	intel_pt_alloc_blk (struct intel_pt_stack *stack)

static int	intel_pt_push (struct intel_pt_stack *stack, uint64_t ip)

static void	intel_pt_clear_stack (struct intel_pt_stack *stack)

static void	intel_pt_free_stack (struct intel_pt_stack *stack)

void	intel_pt_decoder_free (struct intel_pt_decoder *decoder)

static int	intel_pt_ext_err (int code)

int	intel_pt__strerror (int code, char *buf, size_t buflen)

static uint64_t	intel_pt_calc_ip (const struct intel_pt_pkt *packet, uint64_t last_ip)

static void	intel_pt_set_last_ip (struct intel_pt_decoder *decoder)

static void	intel_pt_set_ip (struct intel_pt_decoder *decoder)

static void	intel_pt_decoder_log_packet (struct intel_pt_decoder *decoder)

static int	intel_pt_bug (struct intel_pt_decoder *decoder)

static void	intel_pt_clear_tx_flags (struct intel_pt_decoder *decoder)

static void	intel_pt_update_in_tx (struct intel_pt_decoder *decoder)

static int	intel_pt_bad_packet (struct intel_pt_decoder *decoder)

static int	intel_pt_get_data (struct intel_pt_decoder *decoder)

static int	intel_pt_get_next_data (struct intel_pt_decoder *decoder)

static int	intel_pt_get_split_packet (struct intel_pt_decoder *decoder)

static int	intel_pt_pkt_lookahead (struct intel_pt_decoder decoder, intel_pt_pkt_cb_t cb, void data)

static void	intel_pt_fixup_last_mtc (uint32_t mtc, int mtc_shift, uint32_t *last_mtc)

static int	intel_pt_calc_cyc_cb (struct intel_pt_pkt_info *pkt_info)

static void	intel_pt_calc_cyc_to_tsc (struct intel_pt_decoder *decoder, bool from_mtc)

static int	intel_pt_get_next_packet (struct intel_pt_decoder *decoder)

static uint64_t	intel_pt_next_period (struct intel_pt_decoder *decoder)

static uint64_t	intel_pt_next_sample (struct intel_pt_decoder *decoder)

static void	intel_pt_sample_insn (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_insn (struct intel_pt_decoder decoder, struct intel_pt_insn intel_pt_insn, uint64_t ip)

static bool	intel_pt_fup_event (struct intel_pt_decoder *decoder)

static bool	intel_pt_fup_with_nlip (struct intel_pt_decoder decoder, struct intel_pt_insn intel_pt_insn, uint64_t ip, int err)

static int	intel_pt_walk_fup (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_tip (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_tnt (struct intel_pt_decoder *decoder)

static int	intel_pt_mode_tsx (struct intel_pt_decoder decoder, bool no_tip)

static void	intel_pt_calc_tsc_timestamp (struct intel_pt_decoder *decoder)

static int	intel_pt_overflow (struct intel_pt_decoder *decoder)

static void	intel_pt_calc_tma (struct intel_pt_decoder *decoder)

static void	intel_pt_calc_mtc_timestamp (struct intel_pt_decoder *decoder)

static void	intel_pt_calc_cbr (struct intel_pt_decoder *decoder)

static void	intel_pt_calc_cyc_timestamp (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_psbend (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_fup_tip (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_trace (struct intel_pt_decoder *decoder)

static bool	intel_pt_have_ip (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_psb (struct intel_pt_decoder *decoder)

static int	intel_pt_walk_to_ip (struct intel_pt_decoder *decoder)

static int	intel_pt_sync_ip (struct intel_pt_decoder *decoder)

static int	intel_pt_part_psb (struct intel_pt_decoder *decoder)

static int	intel_pt_rest_psb (struct intel_pt_decoder *decoder, int part_psb)

static int	intel_pt_get_split_psb (struct intel_pt_decoder *decoder, int part_psb)

static int	intel_pt_scan_for_psb (struct intel_pt_decoder *decoder)

static int	intel_pt_sync (struct intel_pt_decoder *decoder)

static uint64_t	intel_pt_est_timestamp (struct intel_pt_decoder *decoder)

const struct intel_pt_state *	intel_pt_decode (struct intel_pt_decoder *decoder)

static bool	intel_pt_next_psb (unsigned char *buf, size_t len)

static bool	intel_pt_step_psb (unsigned char *buf, size_t len)

static unsigned char *	intel_pt_last_psb (unsigned char *buf, size_t len)

static bool	intel_pt_next_tsc (unsigned char buf, size_t len, uint64_t tsc, size_t *rem)

static int	intel_pt_tsc_cmp (uint64_t tsc1, uint64_t tsc2)

static unsigned char *	intel_pt_find_overlap_tsc (unsigned char buf_a, size_t len_a, unsigned char buf_b, size_t len_b, bool *consecutive)

unsigned char *	intel_pt_find_overlap (unsigned char buf_a, size_t len_a, unsigned char buf_b, size_t len_b, bool have_tsc, bool *consecutive)

Variables
static const char *	intel_pt_err_msgs []

Macro Definition Documentation

◆ _GNU_SOURCE

#define _GNU_SOURCE

Definition at line 17 of file intel-pt-decoder.c.

◆ BIT63

#define BIT63 (((uint64_t)1 << 63))

Definition at line 37 of file intel-pt-decoder.c.

◆ INTEL_PT_BLK_SIZE

#define INTEL_PT_BLK_SIZE 1024

Definition at line 35 of file intel-pt-decoder.c.

◆ INTEL_PT_MAX_LOOPS

#define INTEL_PT_MAX_LOOPS 10000

Definition at line 42 of file intel-pt-decoder.c.

◆ INTEL_PT_RETURN

#define INTEL_PT_RETURN 1

Definition at line 39 of file intel-pt-decoder.c.

◆ INTEL_PT_STATE_ERR1

#define INTEL_PT_STATE_ERR1 (decoder->pkt_state)

Definition at line 92 of file intel-pt-decoder.c.

◆ INTEL_PT_STATE_ERR2

#define INTEL_PT_STATE_ERR2 INTEL_PT_STATE_NO_IP

Definition at line 93 of file intel-pt-decoder.c.

◆ INTEL_PT_STATE_ERR3

#define INTEL_PT_STATE_ERR3 INTEL_PT_STATE_ERR_RESYNC

Definition at line 94 of file intel-pt-decoder.c.

◆ INTEL_PT_STATE_ERR4

#define INTEL_PT_STATE_ERR4 INTEL_PT_STATE_IN_SYNC

Definition at line 95 of file intel-pt-decoder.c.

Typedef Documentation

◆ intel_pt_pkt_cb_t

typedef int(* intel_pt_pkt_cb_t) (struct intel_pt_pkt_info *pkt_info)

Definition at line 576 of file intel-pt-decoder.c.

Enumeration Type Documentation

◆ intel_pt_pkt_state

enum intel_pt_pkt_state

Enumerator
INTEL_PT_STATE_NO_PSB
INTEL_PT_STATE_NO_IP
INTEL_PT_STATE_ERR_RESYNC
INTEL_PT_STATE_IN_SYNC
INTEL_PT_STATE_TNT
INTEL_PT_STATE_TIP
INTEL_PT_STATE_TIP_PGD
INTEL_PT_STATE_FUP
INTEL_PT_STATE_FUP_NO_TIP

Definition at line 55 of file intel-pt-decoder.c.

Function Documentation

◆ intel_pt__strerror()

int intel_pt__strerror	(	int	code,
		char *	buf,
		size_t	buflen
	)

Definition at line 392 of file intel-pt-decoder.c.

◆ intel_pt_alloc_blk()

static int intel_pt_alloc_blk ( struct intel_pt_stack * stack )

static

Definition at line 300 of file intel-pt-decoder.c.

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◆ intel_pt_bad_packet()

static int intel_pt_bad_packet ( struct intel_pt_decoder * decoder )

static

Definition at line 469 of file intel-pt-decoder.c.

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◆ intel_pt_bug()

static int intel_pt_bug ( struct intel_pt_decoder * decoder )

static

Definition at line 452 of file intel-pt-decoder.c.

◆ intel_pt_calc_cbr()

static void intel_pt_calc_cbr ( struct intel_pt_decoder * decoder )

static

Definition at line 1474 of file intel-pt-decoder.c.

◆ intel_pt_calc_cyc_cb()

static int intel_pt_calc_cyc_cb ( struct intel_pt_pkt_info * pkt_info )

static

Definition at line 653 of file intel-pt-decoder.c.

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◆ intel_pt_calc_cyc_timestamp()

static void intel_pt_calc_cyc_timestamp ( struct intel_pt_decoder * decoder )

static

Definition at line 1487 of file intel-pt-decoder.c.

◆ intel_pt_calc_cyc_to_tsc()

static void intel_pt_calc_cyc_to_tsc	(	struct intel_pt_decoder *	decoder,
		bool	from_mtc
	)

static

Definition at line 823 of file intel-pt-decoder.c.

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◆ intel_pt_calc_ip()

static uint64_t intel_pt_calc_ip	(	const struct intel_pt_pkt *	packet,
		uint64_t	last_ip
	)

static

Definition at line 400 of file intel-pt-decoder.c.

◆ intel_pt_calc_mtc_timestamp()

static void intel_pt_calc_mtc_timestamp ( struct intel_pt_decoder * decoder )

static

Definition at line 1424 of file intel-pt-decoder.c.

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◆ intel_pt_calc_tma()

static void intel_pt_calc_tma ( struct intel_pt_decoder * decoder )

static

Definition at line 1399 of file intel-pt-decoder.c.

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◆ intel_pt_calc_tsc_timestamp()

static void intel_pt_calc_tsc_timestamp ( struct intel_pt_decoder * decoder )

static

Definition at line 1339 of file intel-pt-decoder.c.

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◆ intel_pt_clear_stack()

static void intel_pt_clear_stack ( struct intel_pt_stack * stack )

static

Definition at line 333 of file intel-pt-decoder.c.

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◆ intel_pt_clear_tx_flags()

static void intel_pt_clear_tx_flags ( struct intel_pt_decoder * decoder )

inlinestatic

Definition at line 459 of file intel-pt-decoder.c.

◆ intel_pt_decode()

const struct intel_pt_state* intel_pt_decode ( struct intel_pt_decoder * decoder )

Definition at line 2332 of file intel-pt-decoder.c.

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◆ intel_pt_decoder_free()

void intel_pt_decoder_free ( struct intel_pt_decoder * decoder )

Definition at line 347 of file intel-pt-decoder.c.

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◆ intel_pt_decoder_log_packet()

static void intel_pt_decoder_log_packet ( struct intel_pt_decoder * decoder )

static

Definition at line 446 of file intel-pt-decoder.c.

◆ intel_pt_decoder_new()

struct intel_pt_decoder* intel_pt_decoder_new ( struct intel_pt_params * params )

Definition at line 212 of file intel-pt-decoder.c.

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◆ intel_pt_est_timestamp()

static uint64_t intel_pt_est_timestamp ( struct intel_pt_decoder * decoder )

static

Definition at line 2319 of file intel-pt-decoder.c.

◆ intel_pt_ext_err()

static int intel_pt_ext_err ( int code )

static

Definition at line 353 of file intel-pt-decoder.c.

◆ intel_pt_find_overlap()

unsigned char* intel_pt_find_overlap	(	unsigned char *	buf_a,
		size_t	len_a,
		unsigned char *	buf_b,
		size_t	len_b,
		bool	have_tsc,
		bool *	consecutive
	)

intel_pt_find_overlap - determine start of non-overlapped trace data. : first buffer : size of first buffer : second buffer : size of second buffer : can use TSC packets to detect overlap : returns true if there is data in buf_b that is consecutive to buf_a

When trace samples or snapshots are recorded there is the possibility that the data overlaps. Note that, for the purposes of decoding, data is only useful if it begins with a PSB packet.

Return: A pointer into from where non-overlapped data starts, or + if there is no non-overlapped data.

Definition at line 2641 of file intel-pt-decoder.c.

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◆ intel_pt_find_overlap_tsc()

static unsigned char* intel_pt_find_overlap_tsc	(	unsigned char *	buf_a,
		size_t	len_a,
		unsigned char *	buf_b,
		size_t	len_b,
		bool *	consecutive
	)

static

intel_pt_find_overlap_tsc - determine start of non-overlapped trace data using TSC. : first buffer : size of first buffer : second buffer : size of second buffer : returns true if there is data in buf_b that is consecutive to buf_a

If the trace contains TSC we can look at the last TSC of and the first TSC of in order to determine if the buffers overlap, and then walk forward in until a later TSC is found. A precondition is that and are positioned at a PSB.

Return: A pointer into from where non-overlapped data starts, or + if there is no non-overlapped data.

Definition at line 2580 of file intel-pt-decoder.c.

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◆ intel_pt_fixup_last_mtc()

static void intel_pt_fixup_last_mtc	(	uint32_t	mtc,
		int	mtc_shift,
		uint32_t *	last_mtc
	)

static

Definition at line 640 of file intel-pt-decoder.c.

◆ intel_pt_free_stack()

static void intel_pt_free_stack ( struct intel_pt_stack * stack )

static

Definition at line 340 of file intel-pt-decoder.c.

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◆ intel_pt_fup_event()

static bool intel_pt_fup_event ( struct intel_pt_decoder * decoder )

static

Definition at line 1052 of file intel-pt-decoder.c.

◆ intel_pt_fup_with_nlip()

static bool intel_pt_fup_with_nlip	(	struct intel_pt_decoder *	decoder,
		struct intel_pt_insn *	intel_pt_insn,
		uint64_t	ip,
		int	err
	)

inlinestatic

Definition at line 1103 of file intel-pt-decoder.c.

◆ intel_pt_get_data()

static int intel_pt_get_data ( struct intel_pt_decoder * decoder )

static

Definition at line 483 of file intel-pt-decoder.c.

◆ intel_pt_get_next_data()

static int intel_pt_get_next_data ( struct intel_pt_decoder * decoder )

static

Definition at line 515 of file intel-pt-decoder.c.

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◆ intel_pt_get_next_packet()

static int intel_pt_get_next_packet ( struct intel_pt_decoder * decoder )

static

Definition at line 851 of file intel-pt-decoder.c.

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◆ intel_pt_get_split_packet()

static int intel_pt_get_split_packet ( struct intel_pt_decoder * decoder )

static

Definition at line 527 of file intel-pt-decoder.c.

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◆ intel_pt_get_split_psb()

static int intel_pt_get_split_psb	(	struct intel_pt_decoder *	decoder,
		int	part_psb
	)

static

Definition at line 2226 of file intel-pt-decoder.c.

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◆ intel_pt_have_ip()

static bool intel_pt_have_ip ( struct intel_pt_decoder * decoder )

inlinestatic

Definition at line 1951 of file intel-pt-decoder.c.

◆ intel_pt_last_psb()

static unsigned char* intel_pt_last_psb	(	unsigned char *	buf,
		size_t	len
	)

static

intel_pt_last_psb - find the last PSB packet in a buffer. : buffer : size of buffer

This function finds the last PSB in a buffer.

Return: A pointer to the last PSB in if found, NULL otherwise.

Definition at line 2471 of file intel-pt-decoder.c.

◆ intel_pt_lower_power_of_2()

static uint64_t intel_pt_lower_power_of_2 ( uint64_t x )

static

Definition at line 184 of file intel-pt-decoder.c.

◆ intel_pt_mode_tsx()

static int intel_pt_mode_tsx	(	struct intel_pt_decoder *	decoder,
		bool *	no_tip
	)

static

Definition at line 1316 of file intel-pt-decoder.c.

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◆ intel_pt_next_period()

static uint64_t intel_pt_next_period ( struct intel_pt_decoder * decoder )

static

Definition at line 887 of file intel-pt-decoder.c.

◆ intel_pt_next_psb()

static bool intel_pt_next_psb	(	unsigned char **	buf,
		size_t *	len
	)

static

intel_pt_next_psb - move buffer pointer to the start of the next PSB packet. : pointer to buffer pointer : size of buffer

Updates the buffer pointer to point to the start of the next PSB packet if there is one, otherwise the buffer pointer is unchanged. If is updated, is adjusted accordingly.

Return: true if a PSB packet is found, false otherwise.

Definition at line 2421 of file intel-pt-decoder.c.

◆ intel_pt_next_sample()

static uint64_t intel_pt_next_sample ( struct intel_pt_decoder * decoder )

static

Definition at line 907 of file intel-pt-decoder.c.

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◆ intel_pt_next_tsc()

static bool intel_pt_next_tsc	(	unsigned char *	buf,
		size_t	len,
		uint64_t *	tsc,
		size_t *	rem
	)

static

intel_pt_next_tsc - find and return next TSC. : buffer : size of buffer : TSC value returned : returns remaining size when TSC is found

Find a TSC packet in and return the TSC value. This function assumes that starts at a PSB and that PSB+ will contain TSC and so stops if a PSBEND packet is found.

Return: true if TSC is found, false otherwise.

Definition at line 2506 of file intel-pt-decoder.c.

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◆ intel_pt_overflow()

static int intel_pt_overflow ( struct intel_pt_decoder * decoder )

static

Definition at line 1388 of file intel-pt-decoder.c.

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◆ intel_pt_part_psb()

static int intel_pt_part_psb ( struct intel_pt_decoder * decoder )

static

Definition at line 2200 of file intel-pt-decoder.c.

◆ intel_pt_pkt_lookahead()

static int intel_pt_pkt_lookahead	(	struct intel_pt_decoder *	decoder,
		intel_pt_pkt_cb_t	cb,
		void *	data
	)

static

Definition at line 579 of file intel-pt-decoder.c.

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◆ intel_pt_pop()

static uint64_t intel_pt_pop ( struct intel_pt_stack * stack )

static

Definition at line 287 of file intel-pt-decoder.c.

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◆ intel_pt_pop_blk()

static void intel_pt_pop_blk ( struct intel_pt_stack * stack )

static

Definition at line 276 of file intel-pt-decoder.c.

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◆ intel_pt_push()

static int intel_pt_push	(	struct intel_pt_stack *	stack,
		uint64_t	ip
	)

static

Definition at line 319 of file intel-pt-decoder.c.

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◆ intel_pt_rest_psb()

static int intel_pt_rest_psb	(	struct intel_pt_decoder *	decoder,
		int	part_psb
	)

static

Definition at line 2214 of file intel-pt-decoder.c.

◆ intel_pt_sample_insn()

static void intel_pt_sample_insn ( struct intel_pt_decoder * decoder )

static

Definition at line 921 of file intel-pt-decoder.c.

◆ intel_pt_sample_time()

static bool intel_pt_sample_time ( enum intel_pt_pkt_state pkt_state )

inlinestatic

Definition at line 67 of file intel-pt-decoder.c.

◆ intel_pt_scan_for_psb()

static int intel_pt_scan_for_psb ( struct intel_pt_decoder * decoder )

static

Definition at line 2252 of file intel-pt-decoder.c.

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◆ intel_pt_set_ip()

static void intel_pt_set_ip ( struct intel_pt_decoder * decoder )

inlinestatic

Definition at line 440 of file intel-pt-decoder.c.

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◆ intel_pt_set_last_ip()

static void intel_pt_set_last_ip ( struct intel_pt_decoder * decoder )

inlinestatic

Definition at line 434 of file intel-pt-decoder.c.

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◆ intel_pt_setup_period()

static void intel_pt_setup_period ( struct intel_pt_decoder * decoder )

static

Definition at line 194 of file intel-pt-decoder.c.

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◆ intel_pt_step_psb()

static bool intel_pt_step_psb	(	unsigned char **	buf,
		size_t *	len
	)

static

intel_pt_step_psb - move buffer pointer to the start of the following PSB packet. : pointer to buffer pointer : size of buffer

Updates the buffer pointer to point to the start of the following PSB packet (skipping the PSB at itself) if there is one, otherwise the buffer pointer is unchanged. If is updated, is adjusted accordingly.

Return: true if a PSB packet is found, false otherwise.

Definition at line 2446 of file intel-pt-decoder.c.

◆ intel_pt_sync()

static int intel_pt_sync ( struct intel_pt_decoder * decoder )

static

Definition at line 2287 of file intel-pt-decoder.c.

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◆ intel_pt_sync_ip()

static int intel_pt_sync_ip ( struct intel_pt_decoder * decoder )

static

Definition at line 2168 of file intel-pt-decoder.c.

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◆ intel_pt_tsc_cmp()

static int intel_pt_tsc_cmp	(	uint64_t	tsc1,
		uint64_t	tsc2
	)

static

intel_pt_tsc_cmp - compare 7-byte TSCs. : first TSC to compare : second TSC to compare

This function compares 7-byte TSC values allowing for the possibility that TSC wrapped around. Generally it is not possible to know if TSC has wrapped around so for that purpose this function assumes the absolute difference is less than half the maximum difference.

Return: %-1 if is before , %0 if == , %1 if is after .

Definition at line 2542 of file intel-pt-decoder.c.

◆ intel_pt_update_in_tx()

static void intel_pt_update_in_tx ( struct intel_pt_decoder * decoder )

inlinestatic

Definition at line 464 of file intel-pt-decoder.c.

◆ intel_pt_walk_fup()

static int intel_pt_walk_fup ( struct intel_pt_decoder * decoder )

static

Definition at line 1112 of file intel-pt-decoder.c.

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◆ intel_pt_walk_fup_tip()

static int intel_pt_walk_fup_tip ( struct intel_pt_decoder * decoder )

static

Definition at line 1595 of file intel-pt-decoder.c.

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◆ intel_pt_walk_insn()

static int intel_pt_walk_insn	(	struct intel_pt_decoder *	decoder,
		struct intel_pt_insn *	intel_pt_insn,
		uint64_t	ip
	)

static

Definition at line 943 of file intel-pt-decoder.c.

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◆ intel_pt_walk_psb()

static int intel_pt_walk_psb ( struct intel_pt_decoder * decoder )

static

Definition at line 1959 of file intel-pt-decoder.c.

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◆ intel_pt_walk_psbend()

static int intel_pt_walk_psbend ( struct intel_pt_decoder * decoder )

static

Definition at line 1515 of file intel-pt-decoder.c.

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◆ intel_pt_walk_tip()

static int intel_pt_walk_tip ( struct intel_pt_decoder * decoder )

static

Definition at line 1152 of file intel-pt-decoder.c.

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◆ intel_pt_walk_tnt()

static int intel_pt_walk_tnt ( struct intel_pt_decoder * decoder )

static

Definition at line 1223 of file intel-pt-decoder.c.

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◆ intel_pt_walk_to_ip()

static int intel_pt_walk_to_ip ( struct intel_pt_decoder * decoder )

static

Definition at line 2062 of file intel-pt-decoder.c.

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◆ intel_pt_walk_trace()

static int intel_pt_walk_trace ( struct intel_pt_decoder * decoder )

static

Definition at line 1705 of file intel-pt-decoder.c.

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◆ multdiv()

static uint64_t multdiv	(	uint64_t	t,
		uint32_t	n,
		uint32_t	d
	)

static

Definition at line 205 of file intel-pt-decoder.c.

Variable Documentation

◆ intel_pt_err_msgs

const char* intel_pt_err_msgs[]

static

Initial value:

= {
    [INTEL_PT_ERR_NOMEM]  = "Memory allocation failed",
    [INTEL_PT_ERR_INTERN] = "Internal error",
    [INTEL_PT_ERR_BADPKT] = "Bad packet",
    [INTEL_PT_ERR_NODATA] = "No more data",
    [INTEL_PT_ERR_NOINSN] = "Failed to get instruction",
    [INTEL_PT_ERR_MISMAT] = "Trace doesn't match instruction",
    [INTEL_PT_ERR_OVR]    = "Overflow packet",
    [INTEL_PT_ERR_LOST]   = "Lost trace data",
    [INTEL_PT_ERR_UNK]    = "Unknown error!",
    [INTEL_PT_ERR_NELOOP] = "Never-ending loop",
}

Definition at line 379 of file intel-pt-decoder.c.

Classes

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ _GNU_SOURCE

◆ BIT63

◆ INTEL_PT_BLK_SIZE

◆ INTEL_PT_MAX_LOOPS

◆ INTEL_PT_RETURN

◆ INTEL_PT_STATE_ERR1

◆ INTEL_PT_STATE_ERR2

◆ INTEL_PT_STATE_ERR3

◆ INTEL_PT_STATE_ERR4

Typedef Documentation

◆ intel_pt_pkt_cb_t

Enumeration Type Documentation

◆ intel_pt_pkt_state

Function Documentation

◆ intel_pt__strerror()

◆ intel_pt_alloc_blk()

◆ intel_pt_bad_packet()

◆ intel_pt_bug()

◆ intel_pt_calc_cbr()

◆ intel_pt_calc_cyc_cb()

◆ intel_pt_calc_cyc_timestamp()

◆ intel_pt_calc_cyc_to_tsc()

◆ intel_pt_calc_ip()

◆ intel_pt_calc_mtc_timestamp()

◆ intel_pt_calc_tma()

◆ intel_pt_calc_tsc_timestamp()

◆ intel_pt_clear_stack()

◆ intel_pt_clear_tx_flags()

◆ intel_pt_decode()

◆ intel_pt_decoder_free()

◆ intel_pt_decoder_log_packet()

◆ intel_pt_decoder_new()

◆ intel_pt_est_timestamp()

◆ intel_pt_ext_err()

◆ intel_pt_find_overlap()

◆ intel_pt_find_overlap_tsc()

◆ intel_pt_fixup_last_mtc()

◆ intel_pt_free_stack()

◆ intel_pt_fup_event()

◆ intel_pt_fup_with_nlip()

◆ intel_pt_get_data()

◆ intel_pt_get_next_data()

◆ intel_pt_get_next_packet()

◆ intel_pt_get_split_packet()

◆ intel_pt_get_split_psb()

◆ intel_pt_have_ip()

◆ intel_pt_last_psb()

◆ intel_pt_lower_power_of_2()

◆ intel_pt_mode_tsx()

◆ intel_pt_next_period()

◆ intel_pt_next_psb()

◆ intel_pt_next_sample()

◆ intel_pt_next_tsc()

◆ intel_pt_overflow()

◆ intel_pt_part_psb()

◆ intel_pt_pkt_lookahead()

◆ intel_pt_pop()

◆ intel_pt_pop_blk()

◆ intel_pt_push()

◆ intel_pt_rest_psb()

◆ intel_pt_sample_insn()

◆ intel_pt_sample_time()

◆ intel_pt_scan_for_psb()

◆ intel_pt_set_ip()

◆ intel_pt_set_last_ip()

◆ intel_pt_setup_period()

◆ intel_pt_step_psb()

◆ intel_pt_sync()

◆ intel_pt_sync_ip()

◆ intel_pt_tsc_cmp()

◆ intel_pt_update_in_tx()

◆ intel_pt_walk_fup()

◆ intel_pt_walk_fup_tip()