b097efc002
Commit 104fc30279 ("qmp: Drop duplicated
QMP command object checks") removed the call to
trace_handle_qmp_command() while eliminating code duplication.
This patch brings the trace event back so QEMU-internal trace events can
be correlated with the QMP commands that caused them.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170605104216.22429-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
150 lines
6.3 KiB
Plaintext
150 lines
6.3 KiB
Plaintext
# Trace events for debugging and performance instrumentation
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#
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# This file is processed by the tracetool script during the build.
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#
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# To add a new trace event:
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#
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# 1. Choose a name for the trace event. Declare its arguments and format
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# string.
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#
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# 2. Call the trace event from code using trace_##name, e.g. multiwrite_cb() ->
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# trace_multiwrite_cb(). The source file must #include "trace.h".
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#
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# Format of a trace event:
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#
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# [disable] <name>(<type1> <arg1>[, <type2> <arg2>] ...) "<format-string>"
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#
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# Example: g_malloc(size_t size) "size %zu"
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#
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# The "disable" keyword will build without the trace event.
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#
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# The <name> must be a valid as a C function name.
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#
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# Types should be standard C types. Use void * for pointers because the trace
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# system may not have the necessary headers included.
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#
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# The <format-string> should be a sprintf()-compatible format string.
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# ioport.c
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cpu_in(unsigned int addr, char size, unsigned int val) "addr %#x(%c) value %u"
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cpu_out(unsigned int addr, char size, unsigned int val) "addr %#x(%c) value %u"
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# balloon.c
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# Since requests are raised via monitor, not many tracepoints are needed.
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balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"
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# vl.c
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vm_state_notify(int running, int reason) "running %d reason %d"
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load_file(const char *name, const char *path) "name %s location %s"
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runstate_set(int new_state) "new state %d"
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system_wakeup_request(int reason) "reason=%d"
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qemu_system_shutdown_request(int reason) "reason=%d"
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qemu_system_powerdown_request(void) ""
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# monitor.c
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monitor_protocol_event_handler(uint32_t event, void *qdict) "event=%d data=%p"
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monitor_protocol_event_emit(uint32_t event, void *data) "event=%d data=%p"
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monitor_protocol_event_queue(uint32_t event, void *qdict, uint64_t rate) "event=%d data=%p rate=%" PRId64
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handle_hmp_command(void *mon, const char *cmdline) "mon %p cmdline: %s"
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handle_qmp_command(void *mon, const char *req) "mon %p req: %s"
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# dma-helpers.c
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dma_blk_io(void *dbs, void *bs, int64_t offset, bool to_dev) "dbs=%p bs=%p offset=%" PRId64 " to_dev=%d"
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dma_aio_cancel(void *dbs) "dbs=%p"
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dma_complete(void *dbs, int ret, void *cb) "dbs=%p ret=%d cb=%p"
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dma_blk_cb(void *dbs, int ret) "dbs=%p ret=%d"
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dma_map_wait(void *dbs) "dbs=%p"
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# kvm-all.c
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kvm_ioctl(int type, void *arg) "type 0x%x, arg %p"
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kvm_vm_ioctl(int type, void *arg) "type 0x%x, arg %p"
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kvm_vcpu_ioctl(int cpu_index, int type, void *arg) "cpu_index %d, type 0x%x, arg %p"
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kvm_run_exit(int cpu_index, uint32_t reason) "cpu_index %d, reason %d"
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kvm_device_ioctl(int fd, int type, void *arg) "dev fd %d, type 0x%x, arg %p"
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kvm_failed_reg_get(uint64_t id, const char *msg) "Warning: Unable to retrieve ONEREG %" PRIu64 " from KVM: %s"
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kvm_failed_reg_set(uint64_t id, const char *msg) "Warning: Unable to set ONEREG %" PRIu64 " to KVM: %s"
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kvm_irqchip_commit_routes(void) ""
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kvm_irqchip_add_msi_route(char *name, int vector, int virq) "dev %s vector %d virq %d"
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kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d"
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kvm_irqchip_release_virq(int virq) "virq %d"
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# TCG related tracing (mostly disabled by default)
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# cpu-exec.c
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disable exec_tb(void *tb, uintptr_t pc) "tb:%p pc=0x%"PRIxPTR
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disable exec_tb_nocache(void *tb, uintptr_t pc) "tb:%p pc=0x%"PRIxPTR
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disable exec_tb_exit(void *last_tb, unsigned int flags) "tb:%p flags=%x"
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# translate-all.c
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translate_block(void *tb, uintptr_t pc, uint8_t *tb_code) "tb:%p, pc:0x%"PRIxPTR", tb_code:%p"
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# memory.c
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memory_region_ops_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr %#"PRIx64" value %#"PRIx64" size %u"
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memory_region_ops_write(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr %#"PRIx64" value %#"PRIx64" size %u"
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memory_region_subpage_read(int cpu_index, void *mr, uint64_t offset, uint64_t value, unsigned size) "cpu %d mr %p offset %#"PRIx64" value %#"PRIx64" size %u"
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memory_region_subpage_write(int cpu_index, void *mr, uint64_t offset, uint64_t value, unsigned size) "cpu %d mr %p offset %#"PRIx64" value %#"PRIx64" size %u"
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memory_region_tb_read(int cpu_index, uint64_t addr, uint64_t value, unsigned size) "cpu %d addr %#"PRIx64" value %#"PRIx64" size %u"
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memory_region_tb_write(int cpu_index, uint64_t addr, uint64_t value, unsigned size) "cpu %d addr %#"PRIx64" value %#"PRIx64" size %u"
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memory_region_ram_device_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr %#"PRIx64" value %#"PRIx64" size %u"
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memory_region_ram_device_write(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr %#"PRIx64" value %#"PRIx64" size %u"
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### Guest events, keep at bottom
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## vCPU
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# Hot-plug a new virtual (guest) CPU
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#
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# Mode: user, softmmu
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# Targets: all
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vcpu guest_cpu_enter(void)
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# Hot-unplug a virtual (guest) CPU
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#
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# Mode: user, softmmu
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# Targets: all
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vcpu guest_cpu_exit(void)
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# Reset the state of a virtual (guest) CPU
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#
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# Mode: user, softmmu
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# Targets: all
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vcpu guest_cpu_reset(void)
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# @vaddr: Access' virtual address.
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# @info : Access' information (see below).
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#
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# Start virtual memory access (before any potential access violation).
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#
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# Does not include memory accesses performed by devices.
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#
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# Access information can be parsed as:
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#
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# struct mem_info {
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# uint8_t size_shift : 2; /* interpreted as "1 << size_shift" bytes */
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# bool sign_extend: 1; /* sign-extended */
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# uint8_t endianness : 1; /* 0: little, 1: big */
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# bool store : 1; /* wheter it's a store operation */
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# };
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#
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# Mode: user, softmmu
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# Targets: TCG(all)
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disable vcpu tcg guest_mem_before(TCGv vaddr, uint8_t info) "info=%d", "vaddr=0x%016"PRIx64" info=%d"
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# @num: System call number.
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# @arg*: System call argument value.
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#
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# Start executing a guest system call in syscall emulation mode.
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#
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# Mode: user
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# Targets: TCG(all)
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disable 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
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# @num: System call number.
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# @ret: System call result value.
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#
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# Finish executing a guest system call in syscall emulation mode.
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#
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# Mode: user
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# Targets: TCG(all)
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disable vcpu guest_user_syscall_ret(uint64_t num, uint64_t ret) "num=0x%016"PRIx64" ret=0x%016"PRIx64
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