compiler: gcc
# All the trace backends (apart from dtrace)
- env: TARGETS=i386-softmmu,x86_64-softmmu
- EXTRA_CONFIG="--enable-trace-backends=stderr"
+ EXTRA_CONFIG="--enable-trace-backends=log"
compiler: gcc
- env: TARGETS=i386-softmmu,x86_64-softmmu
EXTRA_CONFIG="--enable-trace-backends=simple"
#######################################################################
# Target-independent parts used in system and user emulation
-common-obj-y += qemu-log.o
common-obj-y += tcg-runtime.o
common-obj-y += hw/
common-obj-y += qom/
#include "tcg.h"
#include "qemu/timer.h"
#include "qemu/envlist.h"
+#include "exec/log.h"
int singlestep;
unsigned long mmap_min_addr;
pie=""
zero_malloc=""
qom_cast_debug="yes"
-trace_backends="nop"
+trace_backends="log"
trace_file="trace"
spice=""
rbd=""
# Set the appropriate trace file.
trace_file="\"$trace_file-\" FMT_pid"
fi
-if have_backend "stderr"; then
- echo "CONFIG_TRACE_STDERR=y" >> $config_host_mak
+if have_backend "log"; then
+ echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
fi
if have_backend "ust"; then
echo "CONFIG_TRACE_UST=y" >> $config_host_mak
#include "exec/address-spaces.h"
#include "qemu/rcu.h"
#include "exec/tb-hash.h"
+#include "exec/log.h"
#if defined(TARGET_I386) && !defined(CONFIG_USER_ONLY)
#include "hw/i386/apic.h"
#endif
#include "exec/memory-internal.h"
#include "exec/ram_addr.h"
+#include "exec/log.h"
#include "qemu/range.h"
#ifndef _WIN32
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/acpi/cpu_hotplug.h"
+#include "qom/cpu.h"
static uint64_t cpu_status_read(void *opaque, hwaddr addr, unsigned int size)
{
#include "qemu/timer.h"
#include "qemu/bitops.h"
#include "qemu/log.h"
+#include "qom/cpu.h"
#ifndef A9_GTIMER_ERR_DEBUG
#define A9_GTIMER_ERR_DEBUG 0
--- /dev/null
+#ifndef QEMU_EXEC_LOG_H
+#define QEMU_EXEC_LOG_H
+
+#include "qemu/log.h"
+#include "qom/cpu.h"
+#include "disas/disas.h"
+
+/* cpu_dump_state() logging functions: */
+/**
+ * log_cpu_state:
+ * @cpu: The CPU whose state is to be logged.
+ * @flags: Flags what to log.
+ *
+ * Logs the output of cpu_dump_state().
+ */
+static inline void log_cpu_state(CPUState *cpu, int flags)
+{
+ if (qemu_log_enabled()) {
+ cpu_dump_state(cpu, qemu_logfile, fprintf, flags);
+ }
+}
+
+/**
+ * log_cpu_state_mask:
+ * @mask: Mask when to log.
+ * @cpu: The CPU whose state is to be logged.
+ * @flags: Flags what to log.
+ *
+ * Logs the output of cpu_dump_state() if loglevel includes @mask.
+ */
+static inline void log_cpu_state_mask(int mask, CPUState *cpu, int flags)
+{
+ if (qemu_loglevel & mask) {
+ log_cpu_state(cpu, flags);
+ }
+}
+
+#ifdef NEED_CPU_H
+/* disas() and target_disas() to qemu_logfile: */
+static inline void log_target_disas(CPUState *cpu, target_ulong start,
+ target_ulong len, int flags)
+{
+ target_disas(qemu_logfile, cpu, start, len, flags);
+}
+
+static inline void log_disas(void *code, unsigned long size)
+{
+ disas(qemu_logfile, code, size);
+}
+
+#if defined(CONFIG_USER_ONLY)
+/* page_dump() output to the log file: */
+static inline void log_page_dump(void)
+{
+ page_dump(qemu_logfile);
+}
+#endif
+#endif
+
+#endif
#include <stdbool.h>
#include <stdio.h>
#include "qemu/compiler.h"
-#include "qom/cpu.h"
-#ifdef NEED_CPU_H
-#include "disas/disas.h"
-#endif
/* Private global variables, don't use */
extern FILE *qemu_logfile;
#define CPU_LOG_MMU (1 << 12)
#define CPU_LOG_TB_NOCHAIN (1 << 13)
#define CPU_LOG_PAGE (1 << 14)
+#define LOG_TRACE (1 << 15)
/* Returns true if a bit is set in the current loglevel mask
*/
void GCC_FMT_ATTR(2, 3) qemu_log_mask(int mask, const char *fmt, ...);
-/* Special cases: */
-
-/* cpu_dump_state() logging functions: */
-/**
- * log_cpu_state:
- * @cpu: The CPU whose state is to be logged.
- * @flags: Flags what to log.
- *
- * Logs the output of cpu_dump_state().
- */
-static inline void log_cpu_state(CPUState *cpu, int flags)
-{
- if (qemu_log_enabled()) {
- cpu_dump_state(cpu, qemu_logfile, fprintf, flags);
- }
-}
-
-/**
- * log_cpu_state_mask:
- * @mask: Mask when to log.
- * @cpu: The CPU whose state is to be logged.
- * @flags: Flags what to log.
- *
- * Logs the output of cpu_dump_state() if loglevel includes @mask.
- */
-static inline void log_cpu_state_mask(int mask, CPUState *cpu, int flags)
-{
- if (qemu_loglevel & mask) {
- log_cpu_state(cpu, flags);
- }
-}
-
-#ifdef NEED_CPU_H
-/* disas() and target_disas() to qemu_logfile: */
-static inline void log_target_disas(CPUState *cpu, target_ulong start,
- target_ulong len, int flags)
-{
- target_disas(qemu_logfile, cpu, start, len, flags);
-}
-
-static inline void log_disas(void *code, unsigned long size)
-{
- disas(qemu_logfile, code, size);
-}
-
-#if defined(CONFIG_USER_ONLY)
-/* page_dump() output to the log file: */
-static inline void log_page_dump(void)
-{
- page_dump(qemu_logfile);
-}
-#endif
-#endif
-
-
/* Maintenance: */
/* fflush() the log file */
#include "qemu/timer.h"
#include "qemu/envlist.h"
#include "elf.h"
+#include "exec/log.h"
char *exec_path;
}
break;
case 'T':
- if (!trace_init_backends(optarg, NULL)) {
+ if (!trace_init_backends()) {
exit(1); /* error message will have been printed */
}
break;
+++ /dev/null
-/*
- * Logging support
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu-common.h"
-#include "qemu/log.h"
-
-static char *logfilename;
-FILE *qemu_logfile;
-int qemu_loglevel;
-static int log_append = 0;
-
-void qemu_log(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- if (qemu_logfile) {
- vfprintf(qemu_logfile, fmt, ap);
- }
- va_end(ap);
-}
-
-void qemu_log_mask(int mask, const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- if ((qemu_loglevel & mask) && qemu_logfile) {
- vfprintf(qemu_logfile, fmt, ap);
- }
- va_end(ap);
-}
-
-/* enable or disable low levels log */
-void do_qemu_set_log(int log_flags, bool use_own_buffers)
-{
- qemu_loglevel = log_flags;
- if (qemu_loglevel && !qemu_logfile) {
- if (logfilename) {
- qemu_logfile = fopen(logfilename, log_append ? "a" : "w");
- if (!qemu_logfile) {
- perror(logfilename);
- _exit(1);
- }
- } else {
- /* Default to stderr if no log file specified */
- qemu_logfile = stderr;
- }
- /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
- if (use_own_buffers) {
- static char logfile_buf[4096];
-
- setvbuf(qemu_logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
- } else {
-#if defined(_WIN32)
- /* Win32 doesn't support line-buffering, so use unbuffered output. */
- setvbuf(qemu_logfile, NULL, _IONBF, 0);
-#else
- setvbuf(qemu_logfile, NULL, _IOLBF, 0);
-#endif
- log_append = 1;
- }
- }
- if (!qemu_loglevel && qemu_logfile) {
- qemu_log_close();
- }
-}
-
-void qemu_set_log_filename(const char *filename)
-{
- g_free(logfilename);
- logfilename = g_strdup(filename);
- qemu_log_close();
- qemu_set_log(qemu_loglevel);
-}
-
-const QEMULogItem qemu_log_items[] = {
- { CPU_LOG_TB_OUT_ASM, "out_asm",
- "show generated host assembly code for each compiled TB" },
- { CPU_LOG_TB_IN_ASM, "in_asm",
- "show target assembly code for each compiled TB" },
- { CPU_LOG_TB_OP, "op",
- "show micro ops for each compiled TB" },
- { CPU_LOG_TB_OP_OPT, "op_opt",
- "show micro ops (x86 only: before eflags optimization) and\n"
- "after liveness analysis" },
- { CPU_LOG_INT, "int",
- "show interrupts/exceptions in short format" },
- { CPU_LOG_EXEC, "exec",
- "show trace before each executed TB (lots of logs)" },
- { CPU_LOG_TB_CPU, "cpu",
- "show CPU state before block translation" },
- { CPU_LOG_MMU, "mmu",
- "log MMU-related activities" },
- { CPU_LOG_PCALL, "pcall",
- "x86 only: show protected mode far calls/returns/exceptions" },
- { CPU_LOG_RESET, "cpu_reset",
- "show CPU state before CPU resets" },
- { LOG_UNIMP, "unimp",
- "log unimplemented functionality" },
- { LOG_GUEST_ERROR, "guest_errors",
- "log when the guest OS does something invalid (eg accessing a\n"
- "non-existent register)" },
- { CPU_LOG_PAGE, "page",
- "dump pages at beginning of user mode emulation" },
- { CPU_LOG_TB_NOCHAIN, "nochain",
- "do not chain compiled TBs so that \"exec\" and \"cpu\" show\n"
- "complete traces" },
- { 0, NULL, NULL },
-};
-
-static int cmp1(const char *s1, int n, const char *s2)
-{
- if (strlen(s2) != n) {
- return 0;
- }
- return memcmp(s1, s2, n) == 0;
-}
-
-/* takes a comma separated list of log masks. Return 0 if error. */
-int qemu_str_to_log_mask(const char *str)
-{
- const QEMULogItem *item;
- int mask;
- const char *p, *p1;
-
- p = str;
- mask = 0;
- for (;;) {
- p1 = strchr(p, ',');
- if (!p1) {
- p1 = p + strlen(p);
- }
- if (cmp1(p,p1-p,"all")) {
- for (item = qemu_log_items; item->mask != 0; item++) {
- mask |= item->mask;
- }
- } else {
- for (item = qemu_log_items; item->mask != 0; item++) {
- if (cmp1(p, p1 - p, item->name)) {
- goto found;
- }
- }
- return 0;
- }
- found:
- mask |= item->mask;
- if (*p1 != ',') {
- break;
- }
- p = p1 + 1;
- }
- return mask;
-}
-
-void qemu_print_log_usage(FILE *f)
-{
- const QEMULogItem *item;
- fprintf(f, "Log items (comma separated):\n");
- for (item = qemu_log_items; item->mask != 0; item++) {
- fprintf(f, "%-10s %s\n", item->name, item->help);
- }
-}
files from @var{datadir}.
ETEXI
DEF("trace", HAS_ARG, QEMU_OPTION_trace,
- "-trace [events=<file>][,file=<file>]\n"
+ "-trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n"
" specify tracing options\n",
QEMU_ARCH_ALL)
STEXI
Specify tracing options.
@table @option
+@item [enable=]@var{pattern}
+Immediately enable events matching @var{pattern}.
+The file must contain one event name (as listed in the @file{trace-events} file)
+per line; globbing patterns are accepted too. This option is only
+available if QEMU has been compiled with the @var{simple}, @var{stderr}
+or @var{ftrace} tracing backend. To specify multiple events or patterns,
+specify the @option{-trace} option multiple times.
+
+Use @code{-trace help} to print a list of names of trace points.
+
@item events=@var{file}
Immediately enable events listed in @var{file}.
-The file must contain one event name (as listed in the @var{trace-events} file)
-per line.
-This option is only available if QEMU has been compiled with
-either @var{simple} or @var{stderr} tracing backend.
+The file must contain one event name (as listed in the @file{trace-events} file)
+per line; globbing patterns are accepted too. This option is only
+available if QEMU has been compiled with the @var{simple}, @var{stderr} or
+@var{ftrace} tracing backend.
+
@item file=@var{file}
Log output traces to @var{file}.
-
This option is only available if QEMU has been compiled with
the @var{simple} tracing backend.
@end table
#include "sysemu/kvm.h"
#include "qemu/notify.h"
#include "qemu/log.h"
+#include "exec/log.h"
#include "qemu/error-report.h"
#include "sysemu/sysemu.h"
--- /dev/null
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Stderr built-in backend.
+"""
+
+__author__ = "LluÃs Vilanova <vilanova@ac.upc.edu>"
+__copyright__ = "Copyright 2012-2014, LluÃs Vilanova <vilanova@ac.upc.edu>"
+__license__ = "GPL version 2 or (at your option) any later version"
+
+__maintainer__ = "Stefan Hajnoczi"
+__email__ = "stefanha@linux.vnet.ibm.com"
+
+
+from tracetool import out
+
+
+PUBLIC = True
+
+
+def generate_h_begin(events):
+ out('#include <stdio.h>',
+ '#include <sys/time.h>',
+ '#include <sys/types.h>',
+ '#include <unistd.h>',
+ '#include "trace/control.h"',
+ '#include "qemu/log.h"',
+ '')
+
+
+def generate_h(event):
+ argnames = ", ".join(event.args.names())
+ if len(event.args) > 0:
+ argnames = ", " + argnames
+
+ out(' if (trace_event_get_state(%(event_id)s)) {',
+ ' struct timeval _now;',
+ ' gettimeofday(&_now, NULL);',
+ ' qemu_log_mask(LOG_TRACE, "%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",',
+ ' getpid(),',
+ ' (size_t)_now.tv_sec, (size_t)_now.tv_usec',
+ ' %(argnames)s);',
+ ' }',
+ event_id="TRACE_" + event.name.upper(),
+ name=event.name,
+ fmt=event.fmt.rstrip("\n"),
+ argnames=argnames)
+++ /dev/null
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-Stderr built-in backend.
-"""
-
-__author__ = "LluÃs Vilanova <vilanova@ac.upc.edu>"
-__copyright__ = "Copyright 2012-2014, LluÃs Vilanova <vilanova@ac.upc.edu>"
-__license__ = "GPL version 2 or (at your option) any later version"
-
-__maintainer__ = "Stefan Hajnoczi"
-__email__ = "stefanha@linux.vnet.ibm.com"
-
-
-from tracetool import out
-
-
-PUBLIC = True
-
-
-def generate_h_begin(events):
- out('#include <stdio.h>',
- '#include <sys/time.h>',
- '#include <sys/types.h>',
- '#include <unistd.h>',
- '#include "trace/control.h"',
- '')
-
-
-def generate_h(event):
- argnames = ", ".join(event.args.names())
- if len(event.args) > 0:
- argnames = ", " + argnames
-
- out(' if (trace_event_get_state(%(event_id)s)) {',
- ' struct timeval _now;',
- ' gettimeofday(&_now, NULL);',
- ' fprintf(stderr, "%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",',
- ' getpid(),',
- ' (size_t)_now.tv_sec, (size_t)_now.tv_usec',
- ' %(argnames)s);',
- ' }',
- event_id="TRACE_" + event.name.upper(),
- name=event.name,
- fmt=event.fmt.rstrip("\n"),
- argnames=argnames)
out('TraceEvent trace_events[TRACE_EVENT_COUNT] = {')
for e in events:
- out(' { .id = %(id)s, .name = \"%(name)s\", .sstate = %(sstate)s, .dstate = 0 },',
+ out(' { .id = %(id)s, .name = \"%(name)s\", .sstate = %(sstate)s },',
id = "TRACE_" + e.name.upper(),
name = e.name,
sstate = "TRACE_%s_ENABLED" % e.name.upper())
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#undef ALPHA_DEBUG_DISAS
#include "exec/helper-proto.h"
#include "exec/helper-gen.h"
+#include "exec/log.h"
#include "trace-tcg.h"
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define ENABLE_ARCH_4T arm_dc_feature(s, ARM_FEATURE_V4T)
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define DISAS_CRIS 0
#include "qemu/log.h"
#include "exec/helper-proto.h"
#include "exec/cpu_ldst.h"
+#include "exec/log.h"
//#define DEBUG_PCALL
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/helper-proto.h"
+#include "exec/log.h"
/* SMM support */
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define PREFIX_REPZ 0x01
#include "qemu/host-utils.h"
#include "sysemu/sysemu.h"
#include "exec/semihost.h"
+#include "exec/log.h"
int lm32_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
int mmu_idx)
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define DISAS_LM32 1
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
//#define DEBUG_DISPATCH 1
#include "qemu/osdep.h"
#include "cpu.h"
#include "qemu/host-utils.h"
+#include "exec/log.h"
#define D(x)
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define SIM_COMPAT 0
#include "cpu.h"
#include "sysemu/kvm.h"
#include "exec/cpu_ldst.h"
+#include "exec/log.h"
enum {
TLBRET_XI = -6,
#include "exec/semihost.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define MIPS_DEBUG_DISAS 0
#include "exec/helper-proto.h"
#include "exec/helper-gen.h"
+#include "exec/log.h"
/* This is the state at translation time. */
typedef struct DisasContext {
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define OPENRISC_DISAS
#include "sysemu/kvm.h"
#include "kvm_ppc.h"
#include "mmu-hash32.h"
+#include "exec/log.h"
//#define DEBUG_BAT
#include "qemu/error-report.h"
#include "kvm_ppc.h"
#include "mmu-hash64.h"
+#include "exec/log.h"
//#define DEBUG_SLB
#include "mmu-hash64.h"
#include "mmu-hash32.h"
#include "exec/cpu_ldst.h"
+#include "exec/log.h"
//#define DEBUG_MMU
//#define DEBUG_BATS
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define CPU_SINGLE_STEP 0x1
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
/* Information that (most) every instruction needs to manipulate. */
#include "qemu/osdep.h"
#include "cpu.h"
+#include "exec/log.h"
#if !defined(CONFIG_USER_ONLY)
#include "hw/sh4/sh_intc.h"
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
typedef struct DisasContext {
#include "cpu.h"
#include "trace.h"
#include "sysemu/sysemu.h"
+#include "exec/log.h"
#define DEBUG_PCALL
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/helper-proto.h"
+#include "exec/log.h"
#include "trace.h"
#define DEBUG_PCALL
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define DEBUG_DISAS
#include "qemu/osdep.h"
#include "cpu.h"
#include "qemu/log.h"
+#include "exec/log.h"
#include "disas/disas.h"
#include "tcg-op.h"
#include "exec/cpu_ldst.h"
#include "exec/helper-gen.h"
#include "tricore-opcodes.h"
+#include "exec/log.h"
/*
* TCG registers
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
/* internal defines */
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
typedef struct DisasContext {
#endif
#include "elf.h"
+#include "exec/log.h"
/* Forward declarations for functions declared in tcg-target.c and used here. */
static void tcg_target_init(TCGContext *s);
extern TraceEvent trace_events[];
+extern bool trace_events_dstate[];
+extern int trace_events_enabled_count;
static inline TraceEventID trace_event_count(void)
return ev->sstate;
}
+static inline bool trace_event_get_state_dynamic_by_id(int id)
+{
+ return unlikely(trace_events_enabled_count) && trace_events_dstate[id];
+}
+
static inline bool trace_event_get_state_dynamic(TraceEvent *ev)
{
- assert(ev != NULL);
- return ev->dstate;
+ int id = trace_event_get_id(ev);
+ return trace_event_get_state_dynamic_by_id(id);
}
static inline void trace_event_set_state_dynamic(TraceEvent *ev, bool state)
{
+ int id = trace_event_get_id(ev);
assert(ev != NULL);
assert(trace_event_get_state_static(ev));
- ev->dstate = state;
+ trace_events_enabled_count += state - trace_events_dstate[id];
+ trace_events_dstate[id] = state;
}
#endif /* TRACE__CONTROL_INTERNAL_H */
#ifdef CONFIG_TRACE_FTRACE
#include "trace/ftrace.h"
#endif
+#ifdef CONFIG_TRACE_LOG
+#include "qemu/log.h"
+#endif
#include "qemu/error-report.h"
+int trace_events_enabled_count;
+bool trace_events_dstate[TRACE_EVENT_COUNT];
+
TraceEvent *trace_event_name(const char *name)
{
assert(name != NULL);
return NULL;
}
-static void trace_init_events(const char *fname)
+void trace_list_events(void)
+{
+ int i;
+ for (i = 0; i < trace_event_count(); i++) {
+ TraceEvent *res = trace_event_id(i);
+ fprintf(stderr, "%s\n", trace_event_get_name(res));
+ }
+}
+
+static void do_trace_enable_events(const char *line_buf)
+{
+ const bool enable = ('-' != line_buf[0]);
+ const char *line_ptr = enable ? line_buf : line_buf + 1;
+
+ if (trace_event_is_pattern(line_ptr)) {
+ TraceEvent *ev = NULL;
+ while ((ev = trace_event_pattern(line_ptr, ev)) != NULL) {
+ if (trace_event_get_state_static(ev)) {
+ trace_event_set_state_dynamic(ev, enable);
+ }
+ }
+ } else {
+ TraceEvent *ev = trace_event_name(line_ptr);
+ if (ev == NULL) {
+ error_report("WARNING: trace event '%s' does not exist",
+ line_ptr);
+ } else if (!trace_event_get_state_static(ev)) {
+ error_report("WARNING: trace event '%s' is not traceable",
+ line_ptr);
+ } else {
+ trace_event_set_state_dynamic(ev, enable);
+ }
+ }
+}
+
+void trace_enable_events(const char *line_buf)
+{
+ if (is_help_option(line_buf)) {
+ trace_list_events();
+ exit(0);
+ } else {
+ do_trace_enable_events(line_buf);
+ }
+}
+
+void trace_init_events(const char *fname)
{
Location loc;
FILE *fp;
if ('#' == line_buf[0]) { /* skip commented lines */
continue;
}
- const bool enable = ('-' != line_buf[0]);
- char *line_ptr = enable ? line_buf : line_buf + 1;
- if (trace_event_is_pattern(line_ptr)) {
- TraceEvent *ev = NULL;
- while ((ev = trace_event_pattern(line_ptr, ev)) != NULL) {
- if (trace_event_get_state_static(ev)) {
- trace_event_set_state_dynamic(ev, enable);
- }
- }
- } else {
- TraceEvent *ev = trace_event_name(line_ptr);
- if (ev == NULL) {
- error_report("WARNING: trace event '%s' does not exist",
- line_ptr);
- } else if (!trace_event_get_state_static(ev)) {
- error_report("WARNING: trace event '%s' is not traceable",
- line_ptr);
- } else {
- trace_event_set_state_dynamic(ev, enable);
- }
- }
+ trace_enable_events(line_buf);
}
}
if (fclose(fp) != 0) {
loc_pop(&loc);
}
-bool trace_init_backends(const char *events, const char *file)
+void trace_init_file(const char *file)
{
#ifdef CONFIG_TRACE_SIMPLE
- if (!st_init(file)) {
- fprintf(stderr, "failed to initialize simple tracing backend.\n");
- return false;
+ st_set_trace_file(file);
+#elif defined CONFIG_TRACE_LOG
+ /* If both the simple and the log backends are enabled, "-trace file"
+ * only applies to the simple backend; use "-D" for the log backend.
+ */
+ if (file) {
+ qemu_set_log_filename(file);
}
#else
if (file) {
fprintf(stderr, "error: -trace file=...: "
"option not supported by the selected tracing backends\n");
+ exit(1);
+ }
+#endif
+}
+
+bool trace_init_backends(void)
+{
+#ifdef CONFIG_TRACE_SIMPLE
+ if (!st_init()) {
+ fprintf(stderr, "failed to initialize simple tracing backend.\n");
return false;
}
#endif
}
#endif
- trace_init_events(events);
return true;
}
* As a down side, you must always use an immediate #TraceEventID value.
*/
#define trace_event_get_state(id) \
- ((id ##_ENABLED) && trace_event_get_state_dynamic(trace_event_id(id)))
+ ((id ##_ENABLED) && trace_event_get_state_dynamic_by_id(id))
/**
* trace_event_get_state_static:
/**
* trace_init_backends:
- * @events: Name of file with events to be enabled at startup; may be NULL.
- * Corresponds to commandline option "-trace events=...".
* @file: Name of trace output file; may be NULL.
* Corresponds to commandline option "-trace file=...".
*
*
* Returns: Whether the backends could be successfully initialized.
*/
-bool trace_init_backends(const char *events, const char *file);
+bool trace_init_backends(void);
+
+/**
+ * trace_init_events:
+ * @events: Name of file with events to be enabled at startup; may be NULL.
+ * Corresponds to commandline option "-trace events=...".
+ *
+ * Read the list of enabled tracing events.
+ *
+ * Returns: Whether the backends could be successfully initialized.
+ */
+void trace_init_events(const char *file);
+
+/**
+ * trace_init_file:
+ * @file: Name of trace output file; may be NULL.
+ * Corresponds to commandline option "-trace file=...".
+ *
+ * Record the name of the output file for the tracing backend.
+ * Exits if no selected backend does not support specifying the
+ * output file, and a non-NULL file was passed.
+ */
+void trace_init_file(const char *file);
+
+/**
+ * trace_list_events:
+ *
+ * List all available events.
+ */
+void trace_list_events(void);
+
+/**
+ * trace_enable_events:
+ * @line_buf: A string with a glob pattern of events to be enabled or,
+ * if the string starts with '-', disabled.
+ *
+ * Enable or disable matching events.
+ */
+void trace_enable_events(const char *line_buf);
#include "trace/control-internal.h"
* @id: Unique event identifier.
* @name: Event name.
* @sstate: Static tracing state.
- * @dstate: Dynamic tracing state.
*
* Opaque generic description of a tracing event.
*/
TraceEventID id;
const char * name;
const bool sstate;
- bool dstate;
} TraceEvent;
* @file The trace file name or NULL for the default name-<pid> set at
* config time
*/
-bool st_set_trace_file(const char *file)
+void st_set_trace_file(const char *file)
{
st_set_trace_file_enabled(false);
}
st_set_trace_file_enabled(true);
- return true;
}
void st_print_trace_file_status(FILE *stream, int (*stream_printf)(FILE *stream, const char *fmt, ...))
return thread;
}
-bool st_init(const char *file)
+bool st_init(void)
{
GThread *thread;
}
atexit(st_flush_trace_buffer);
- st_set_trace_file(file);
return true;
}
void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
void st_set_trace_file_enabled(bool enable);
-bool st_set_trace_file(const char *file);
-bool st_init(const char *file);
+void st_set_trace_file(const char *file);
+bool st_init(void);
void st_flush_trace_buffer(void);
typedef struct {
#include "translate-all.h"
#include "qemu/bitmap.h"
#include "qemu/timer.h"
+#include "exec/log.h"
//#define DEBUG_TB_INVALIDATE
//#define DEBUG_FLUSH
util-obj-y += buffer.o
util-obj-y += timed-average.o
util-obj-y += base64.o
+util-obj-y += log.o
--- /dev/null
+/*
+ * Logging support
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu-common.h"
+#include "qemu/log.h"
+#include "trace/control.h"
+
+static char *logfilename;
+FILE *qemu_logfile;
+int qemu_loglevel;
+static int log_append = 0;
+
+void qemu_log(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ if (qemu_logfile) {
+ vfprintf(qemu_logfile, fmt, ap);
+ }
+ va_end(ap);
+}
+
+void qemu_log_mask(int mask, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ if ((qemu_loglevel & mask) && qemu_logfile) {
+ vfprintf(qemu_logfile, fmt, ap);
+ }
+ va_end(ap);
+}
+
+/* enable or disable low levels log */
+void do_qemu_set_log(int log_flags, bool use_own_buffers)
+{
+ qemu_loglevel = log_flags;
+#ifdef CONFIG_TRACE_LOG
+ qemu_loglevel |= LOG_TRACE;
+#endif
+ if (qemu_loglevel && !qemu_logfile) {
+ if (logfilename) {
+ qemu_logfile = fopen(logfilename, log_append ? "a" : "w");
+ if (!qemu_logfile) {
+ perror(logfilename);
+ _exit(1);
+ }
+ } else {
+ /* Default to stderr if no log file specified */
+ qemu_logfile = stderr;
+ }
+ /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
+ if (use_own_buffers) {
+ static char logfile_buf[4096];
+
+ setvbuf(qemu_logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
+ } else {
+#if defined(_WIN32)
+ /* Win32 doesn't support line-buffering, so use unbuffered output. */
+ setvbuf(qemu_logfile, NULL, _IONBF, 0);
+#else
+ setvbuf(qemu_logfile, NULL, _IOLBF, 0);
+#endif
+ log_append = 1;
+ }
+ }
+ if (!qemu_loglevel && qemu_logfile) {
+ qemu_log_close();
+ }
+}
+
+void qemu_set_log_filename(const char *filename)
+{
+ g_free(logfilename);
+ logfilename = g_strdup(filename);
+ qemu_log_close();
+ qemu_set_log(qemu_loglevel);
+}
+
+const QEMULogItem qemu_log_items[] = {
+ { CPU_LOG_TB_OUT_ASM, "out_asm",
+ "show generated host assembly code for each compiled TB" },
+ { CPU_LOG_TB_IN_ASM, "in_asm",
+ "show target assembly code for each compiled TB" },
+ { CPU_LOG_TB_OP, "op",
+ "show micro ops for each compiled TB" },
+ { CPU_LOG_TB_OP_OPT, "op_opt",
+ "show micro ops (x86 only: before eflags optimization) and\n"
+ "after liveness analysis" },
+ { CPU_LOG_INT, "int",
+ "show interrupts/exceptions in short format" },
+ { CPU_LOG_EXEC, "exec",
+ "show trace before each executed TB (lots of logs)" },
+ { CPU_LOG_TB_CPU, "cpu",
+ "show CPU state before block translation" },
+ { CPU_LOG_MMU, "mmu",
+ "log MMU-related activities" },
+ { CPU_LOG_PCALL, "pcall",
+ "x86 only: show protected mode far calls/returns/exceptions" },
+ { CPU_LOG_RESET, "cpu_reset",
+ "show CPU state before CPU resets" },
+ { LOG_UNIMP, "unimp",
+ "log unimplemented functionality" },
+ { LOG_GUEST_ERROR, "guest_errors",
+ "log when the guest OS does something invalid (eg accessing a\n"
+ "non-existent register)" },
+ { CPU_LOG_PAGE, "page",
+ "dump pages at beginning of user mode emulation" },
+ { CPU_LOG_TB_NOCHAIN, "nochain",
+ "do not chain compiled TBs so that \"exec\" and \"cpu\" show\n"
+ "complete traces" },
+ { 0, NULL, NULL },
+};
+
+static int cmp1(const char *s1, int n, const char *s2)
+{
+ if (strlen(s2) != n) {
+ return 0;
+ }
+ return memcmp(s1, s2, n) == 0;
+}
+
+/* takes a comma separated list of log masks. Return 0 if error. */
+int qemu_str_to_log_mask(const char *str)
+{
+ const QEMULogItem *item;
+ int mask;
+ const char *p, *p1;
+
+ p = str;
+ mask = 0;
+ for (;;) {
+ p1 = strchr(p, ',');
+ if (!p1) {
+ p1 = p + strlen(p);
+ }
+ if (cmp1(p,p1-p,"all")) {
+ for (item = qemu_log_items; item->mask != 0; item++) {
+ mask |= item->mask;
+ }
+#ifdef CONFIG_TRACE_LOG
+ } else if (strncmp(p, "trace:", 6) == 0 && p + 6 != p1) {
+ trace_enable_events(p + 6);
+ mask |= LOG_TRACE;
+#endif
+ } else {
+ for (item = qemu_log_items; item->mask != 0; item++) {
+ if (cmp1(p, p1 - p, item->name)) {
+ goto found;
+ }
+ }
+ return 0;
+ found:
+ mask |= item->mask;
+ }
+ if (*p1 != ',') {
+ break;
+ }
+ p = p1 + 1;
+ }
+ return mask;
+}
+
+void qemu_print_log_usage(FILE *f)
+{
+ const QEMULogItem *item;
+ fprintf(f, "Log items (comma separated):\n");
+ for (item = qemu_log_items; item->mask != 0; item++) {
+ fprintf(f, "%-15s %s\n", item->name, item->help);
+ }
+#ifdef CONFIG_TRACE_LOG
+ fprintf(f, "trace:PATTERN enable trace events\n");
+ fprintf(f, "\nUse \"-d trace:help\" to get a list of trace events.\n\n");
+#endif
+}
static QemuOptsList qemu_trace_opts = {
.name = "trace",
- .implied_opt_name = "trace",
+ .implied_opt_name = "enable",
.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
.desc = {
+ {
+ .name = "enable",
+ .type = QEMU_OPT_STRING,
+ },
{
.name = "events",
.type = QEMU_OPT_STRING,
bool userconfig = true;
const char *log_mask = NULL;
const char *log_file = NULL;
- const char *trace_events = NULL;
- const char *trace_file = NULL;
+ char *trace_file = NULL;
ram_addr_t maxram_size;
uint64_t ram_slots = 0;
FILE *vmstate_dump_file = NULL;
case QEMU_OPTION_trace:
{
opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
- optarg, false);
+ optarg, true);
if (!opts) {
exit(1);
}
- trace_events = qemu_opt_get(opts, "events");
- trace_file = qemu_opt_get(opts, "file");
+ if (qemu_opt_get(opts, "enable")) {
+ trace_enable_events(qemu_opt_get(opts, "enable"));
+ }
+ trace_init_events(qemu_opt_get(opts, "events"));
+ if (trace_file) {
+ g_free(trace_file);
+ }
+ trace_file = g_strdup(qemu_opt_get(opts, "file"));
+ qemu_opts_del(opts);
break;
}
case QEMU_OPTION_readconfig:
exit(0);
}
+ trace_init_file(trace_file);
+
/* Open the logfile at this point and set the log mask if necessary.
*/
if (log_file) {
exit(1);
}
qemu_set_log(mask);
+ } else {
+ qemu_set_log(0);
}
- if (!is_daemonized()) {
- if (!trace_init_backends(trace_events, trace_file)) {
- exit(1);
- }
+ if (!trace_init_backends()) {
+ exit(1);
}
/* If no data_dir is specified then try to find it relative to the
os_setup_post();
- if (is_daemonized()) {
- if (!trace_init_backends(trace_events, trace_file)) {
- exit(1);
- }
- }
-
main_loop();
replay_disable_events();
projects / mirror_qemu.git / commitdiff