10d0d505de
The CPU_LOG_PAGE flag is woefully underused and could stand to do extra duty tracking page changes. If the user doesn't want to see the details as things change they still have the tracepoints available. We push the locking into log_page_dump and pass a reason for the banner text. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20191205122518.10010-5-alex.bennee@linaro.org>
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
#ifndef QEMU_EXEC_LOG_H
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#define QEMU_EXEC_LOG_H
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#include "qemu/log.h"
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#include "hw/core/cpu.h"
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#include "disas/disas.h"
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/* cpu_dump_state() logging functions: */
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/**
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* log_cpu_state:
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* @cpu: The CPU whose state is to be logged.
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* @flags: Flags what to log.
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*
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* Logs the output of cpu_dump_state().
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*/
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static inline void log_cpu_state(CPUState *cpu, int flags)
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{
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QemuLogFile *logfile;
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if (qemu_log_enabled()) {
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rcu_read_lock();
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logfile = atomic_rcu_read(&qemu_logfile);
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if (logfile) {
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cpu_dump_state(cpu, logfile->fd, flags);
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}
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rcu_read_unlock();
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}
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}
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/**
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* log_cpu_state_mask:
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* @mask: Mask when to log.
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* @cpu: The CPU whose state is to be logged.
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* @flags: Flags what to log.
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*
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* Logs the output of cpu_dump_state() if loglevel includes @mask.
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*/
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static inline void log_cpu_state_mask(int mask, CPUState *cpu, int flags)
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{
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if (qemu_loglevel & mask) {
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log_cpu_state(cpu, flags);
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}
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}
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#ifdef NEED_CPU_H
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/* disas() and target_disas() to qemu_logfile: */
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static inline void log_target_disas(CPUState *cpu, target_ulong start,
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target_ulong len)
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{
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QemuLogFile *logfile;
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rcu_read_lock();
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logfile = atomic_rcu_read(&qemu_logfile);
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if (logfile) {
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target_disas(logfile->fd, cpu, start, len);
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}
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rcu_read_unlock();
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}
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static inline void log_disas(void *code, unsigned long size)
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{
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QemuLogFile *logfile;
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rcu_read_lock();
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logfile = atomic_rcu_read(&qemu_logfile);
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if (logfile) {
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disas(logfile->fd, code, size);
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}
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rcu_read_unlock();
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}
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#if defined(CONFIG_USER_ONLY)
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/* page_dump() output to the log file: */
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static inline void log_page_dump(const char *operation)
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{
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FILE *logfile = qemu_log_lock();
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if (logfile) {
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qemu_log("page layout changed following %s\n", operation);
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page_dump(logfile);
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}
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qemu_log_unlock(logfile);
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}
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#endif
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#endif
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#endif
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