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trace-events
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# See docs/devel/tracing.rst for syntax documentation.
#
# This file is processed by the tracetool script during the build.
#
# To add a new trace event:
#
# 1. Choose a name for the trace event. Declare its arguments and format
# string.
#
# 2. Call the trace event from code using trace_##name, e.g. multiwrite_cb() ->
# trace_multiwrite_cb(). The source file must #include "trace.h".
#
# Format of a trace event:
#
# [disable] <name>(<type1> <arg1>[, <type2> <arg2>] ...) "<format-string>"
#
# Example: g_malloc(size_t size) "size %zu"
#
# The "disable" keyword will build without the trace event.
#
# The <name> must be a valid as a C function name.
#
# Types should be standard C types. Use void * for pointers because the trace
# system may not have the necessary headers included.
#
# The <format-string> should be a sprintf()-compatible format string.
# cpu.c
breakpoint_insert(int cpu_index, uint64_t pc, int flags) "cpu=%d pc=0x%" PRIx64 " flags=0x%x"
breakpoint_remove(int cpu_index, uint64_t pc, int flags) "cpu=%d pc=0x%" PRIx64 " flags=0x%x"
breakpoint_singlestep(int cpu_index, int enabled) "cpu=%d enable=%d"
# dma-helpers.c
dma_blk_io(void *dbs, void *bs, int64_t offset, bool to_dev) "dbs=%p bs=%p offset=%" PRId64 " to_dev=%d"
dma_aio_cancel(void *dbs) "dbs=%p"
dma_complete(void *dbs, int ret, void *cb) "dbs=%p ret=%d cb=%p"
dma_blk_cb(void *dbs, int ret) "dbs=%p ret=%d"
dma_map_wait(void *dbs) "dbs=%p"
# exec.c
find_ram_offset(uint64_t size, uint64_t offset) "size: 0x%" PRIx64 " @ 0x%" PRIx64
find_ram_offset_loop(uint64_t size, uint64_t candidate, uint64_t offset, uint64_t next, uint64_t mingap) "trying size: 0x%" PRIx64 " @ 0x%" PRIx64 ", offset: 0x%" PRIx64" next: 0x%" PRIx64 " mingap: 0x%" PRIx64
ram_block_discard_range(const char *rbname, void *hva, size_t length, bool need_madvise, bool need_fallocate, int ret) "%s@%p + 0x%zx: madvise: %d fallocate: %d ret: %d"
# accel/tcg/cputlb.c
memory_notdirty_write_access(uint64_t vaddr, uint64_t ram_addr, unsigned size) "0x%" PRIx64 " ram_addr 0x%" PRIx64 " size %u"
memory_notdirty_set_dirty(uint64_t vaddr) "0x%" PRIx64
# gdbstub.c
gdbstub_op_start(const char *device) "Starting gdbstub using device %s"
gdbstub_op_exiting(uint8_t code) "notifying exit with code=0x%02x"
gdbstub_op_continue(void) "Continuing all CPUs"
gdbstub_op_continue_cpu(int cpu_index) "Continuing CPU %d"
gdbstub_op_stepping(int cpu_index) "Stepping CPU %d"
gdbstub_op_extra_info(const char *info) "Thread extra info: %s"
gdbstub_hit_watchpoint(const char *type, int cpu_gdb_index, uint64_t vaddr) "Watchpoint hit, type=\"%s\" cpu=%d, vaddr=0x%" PRIx64 ""
gdbstub_hit_internal_error(void) "RUN_STATE_INTERNAL_ERROR"
gdbstub_hit_break(void) "RUN_STATE_DEBUG"
gdbstub_hit_paused(void) "RUN_STATE_PAUSED"
gdbstub_hit_shutdown(void) "RUN_STATE_SHUTDOWN"
gdbstub_hit_io_error(void) "RUN_STATE_IO_ERROR"
gdbstub_hit_watchdog(void) "RUN_STATE_WATCHDOG"
gdbstub_hit_unknown(int state) "Unknown run state=0x%x"
gdbstub_io_reply(const char *message) "Sent: %s"
gdbstub_io_binaryreply(size_t ofs, const char *line) "0x%04zx: %s"
gdbstub_io_command(const char *command) "Received: %s"
gdbstub_io_got_ack(void) "Got ACK"
gdbstub_io_got_unexpected(uint8_t ch) "Got 0x%02x when expecting ACK/NACK"
gdbstub_err_got_nack(void) "Got NACK, retransmitting"
gdbstub_err_garbage(uint8_t ch) "received garbage between packets: 0x%02x"
gdbstub_err_overrun(void) "command buffer overrun, dropping command"
gdbstub_err_invalid_repeat(uint8_t ch) "got invalid RLE count: 0x%02x"
gdbstub_err_invalid_rle(void) "got invalid RLE sequence"
gdbstub_err_checksum_invalid(uint8_t ch) "got invalid command checksum digit: 0x%02x"
gdbstub_err_checksum_incorrect(uint8_t expected, uint8_t got) "got command packet with incorrect checksum, expected=0x%02x, received=0x%02x"
# job.c
job_state_transition(void *job, int ret, const char *legal, const char *s0, const char *s1) "job %p (ret: %d) attempting %s transition (%s-->%s)"
job_apply_verb(void *job, const char *state, const char *verb, const char *legal) "job %p in state %s; applying verb %s (%s)"
job_completed(void *job, int ret) "job %p ret %d"
# job-qmp.c
qmp_job_cancel(void *job) "job %p"
qmp_job_pause(void *job) "job %p"
qmp_job_resume(void *job) "job %p"
qmp_job_complete(void *job) "job %p"
qmp_job_finalize(void *job) "job %p"
qmp_job_dismiss(void *job) "job %p"
### Guest events, keep at bottom
## vCPU
# trace/control-target.c
# Hot-plug a new virtual (guest) CPU
#
# Mode: user, softmmu
# Targets: all
vcpu guest_cpu_enter(void)
# trace/control.c
# Hot-unplug a virtual (guest) CPU
#
# Mode: user, softmmu
# Targets: all
vcpu guest_cpu_exit(void)
# hw/core/cpu.c
# Reset the state of a virtual (guest) CPU
#
# Mode: user, softmmu
# Targets: all
vcpu guest_cpu_reset(void)
# tcg/tcg-op.c
# @vaddr: Access' virtual address.
# @info : Access' information (see below).
#
# Start virtual memory access (before any potential access violation).
#
# Does not include memory accesses performed by devices.
#
# Access information can be parsed as:
#
# struct mem_info {
# uint8_t size_shift : 4; /* interpreted as "1 << size_shift" bytes */
# bool sign_extend: 1; /* sign-extended */
# uint8_t endianness : 1; /* 0: little, 1: big */
# bool store : 1; /* whether it is a store operation */
# pad : 1;
# uint8_t mmuidx : 4; /* mmuidx (softmmu only) */
# };
#
# Mode: user, softmmu
# Targets: TCG(all)
vcpu tcg guest_mem_before(TCGv vaddr, uint16_t info) "info=%d", "vaddr=0x%016"PRIx64" info=%d"
# include/user/syscall-trace.h
# @num: System call number.
# @arg*: System call argument value.
#
# Start executing a guest system call in syscall emulation mode.
#
# Mode: user
# Targets: TCG(all)
vcpu guest_user_syscall(uint64_t num, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, uint64_t arg6, uint64_t arg7, uint64_t arg8) "num=0x%016"PRIx64" arg1=0x%016"PRIx64" arg2=0x%016"PRIx64" arg3=0x%016"PRIx64" arg4=0x%016"PRIx64" arg5=0x%016"PRIx64" arg6=0x%016"PRIx64" arg7=0x%016"PRIx64" arg8=0x%016"PRIx64
# @num: System call number.
# @ret: System call result value.
#
# Finish executing a guest system call in syscall emulation mode.
#
# Mode: user
# Targets: TCG(all)
vcpu guest_user_syscall_ret(uint64_t num, uint64_t ret) "num=0x%016"PRIx64" ret=0x%016"PRIx64