Add a new log flag, tid, to turn this feature on. Require the log filename to be set, and to contain %d. Do not allow tid to be turned off once it is on, nor let the filename be change thereafter. This avoids the need for signalling each thread to re-open on a name change. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220417183019.755276-40-richard.henderson@linaro.org>
		
			
				
	
	
		
			97 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef QEMU_LOG_H
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#define QEMU_LOG_H
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/* A small part of this API is split into its own header */
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#include "qemu/log-for-trace.h"
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/* 
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 * The new API:
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 */
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/* Returns true if qemu_log() will really write somewhere. */
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bool qemu_log_enabled(void);
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/* Returns true if qemu_log() will write somewhere other than stderr. */
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bool qemu_log_separate(void);
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#define CPU_LOG_TB_OUT_ASM (1 << 0)
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#define CPU_LOG_TB_IN_ASM  (1 << 1)
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#define CPU_LOG_TB_OP      (1 << 2)
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#define CPU_LOG_TB_OP_OPT  (1 << 3)
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#define CPU_LOG_INT        (1 << 4)
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#define CPU_LOG_EXEC       (1 << 5)
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#define CPU_LOG_PCALL      (1 << 6)
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#define CPU_LOG_TB_CPU     (1 << 8)
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#define CPU_LOG_RESET      (1 << 9)
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#define LOG_UNIMP          (1 << 10)
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#define LOG_GUEST_ERROR    (1 << 11)
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#define CPU_LOG_MMU        (1 << 12)
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#define CPU_LOG_TB_NOCHAIN (1 << 13)
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#define CPU_LOG_PAGE       (1 << 14)
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/* LOG_TRACE (1 << 15) is defined in log-for-trace.h */
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#define CPU_LOG_TB_OP_IND  (1 << 16)
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#define CPU_LOG_TB_FPU     (1 << 17)
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#define CPU_LOG_PLUGIN     (1 << 18)
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/* LOG_STRACE is used for user-mode strace logging. */
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#define LOG_STRACE         (1 << 19)
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#define LOG_PER_THREAD     (1 << 20)
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/* Lock/unlock output. */
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FILE *qemu_log_trylock(void) G_GNUC_WARN_UNUSED_RESULT;
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void qemu_log_unlock(FILE *fd);
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/* Logging functions: */
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/* log only if a bit is set on the current loglevel mask:
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 * @mask: bit to check in the mask
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 * @fmt: printf-style format string
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 * @args: optional arguments for format string
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 */
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#define qemu_log_mask(MASK, FMT, ...)                   \
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    do {                                                \
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        if (unlikely(qemu_loglevel_mask(MASK))) {       \
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            qemu_log(FMT, ## __VA_ARGS__);              \
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        }                                               \
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    } while (0)
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/* log only if a bit is set on the current loglevel mask
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 * and we are in the address range we care about:
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 * @mask: bit to check in the mask
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 * @addr: address to check in dfilter
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 * @fmt: printf-style format string
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 * @args: optional arguments for format string
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 */
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#define qemu_log_mask_and_addr(MASK, ADDR, FMT, ...)    \
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    do {                                                \
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        if (unlikely(qemu_loglevel_mask(MASK)) &&       \
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                     qemu_log_in_addr_range(ADDR)) {    \
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            qemu_log(FMT, ## __VA_ARGS__);              \
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        }                                               \
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    } while (0)
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/* Maintenance: */
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/* define log items */
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typedef struct QEMULogItem {
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    int mask;
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    const char *name;
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    const char *help;
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} QEMULogItem;
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extern const QEMULogItem qemu_log_items[];
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bool qemu_set_log(int log_flags, Error **errp);
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bool qemu_set_log_filename(const char *filename, Error **errp);
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bool qemu_set_log_filename_flags(const char *name, int flags, Error **errp);
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void qemu_set_dfilter_ranges(const char *ranges, Error **errp);
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bool qemu_log_in_addr_range(uint64_t addr);
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int qemu_str_to_log_mask(const char *str);
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/* Print a usage message listing all the valid logging categories
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 * to the specified FILE*.
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 */
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void qemu_print_log_usage(FILE *f);
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#endif
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