From 6fef222971e1f77d1e7b6c218edce72ceb568126 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 17 Apr 2022 11:29:48 -0700 Subject: hw/xen: Split out xen_pv_output_msg MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Do not replicate the individual logging statements. Use qemu_log_trylock/unlock instead of qemu_log directly. Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson Message-Id: <20220417183019.755276-9-richard.henderson@linaro.org> --- hw/xen/xen_pvdev.c | 44 ++++++++++++++++++++++++-------------------- 1 file changed, 24 insertions(+), 20 deletions(-) (limited to 'hw/xen/xen_pvdev.c') diff --git a/hw/xen/xen_pvdev.c b/hw/xen/xen_pvdev.c index 8ab458922a..0423c61158 100644 --- a/hw/xen/xen_pvdev.c +++ b/hw/xen/xen_pvdev.c @@ -196,34 +196,38 @@ const char *xenbus_strstate(enum xenbus_state state) * 2 == noisy debug messages (logfile only). * 3 == will flood your log (logfile only). */ +static void xen_pv_output_msg(struct XenLegacyDevice *xendev, + FILE *f, const char *fmt, va_list args) +{ + if (xendev) { + fprintf(f, "xen be: %s: ", xendev->name); + } else { + fprintf(f, "xen be core: "); + } + vfprintf(f, fmt, args); +} + void xen_pv_printf(struct XenLegacyDevice *xendev, int msg_level, const char *fmt, ...) { + FILE *logfile; va_list args; - if (xendev) { - if (msg_level > xendev->debug) { - return; - } - qemu_log("xen be: %s: ", xendev->name); - if (msg_level == 0) { - fprintf(stderr, "xen be: %s: ", xendev->name); - } - } else { - if (msg_level > debug) { - return; - } - qemu_log("xen be core: "); - if (msg_level == 0) { - fprintf(stderr, "xen be core: "); - } + if (msg_level > (xendev ? xendev->debug : debug)) { + return; } - va_start(args, fmt); - qemu_log_vprintf(fmt, args); - va_end(args); + + logfile = qemu_log_trylock(); + if (logfile) { + va_start(args, fmt); + xen_pv_output_msg(xendev, logfile, fmt, args); + va_end(args); + qemu_log_unlock(logfile); + } + if (msg_level == 0) { va_start(args, fmt); - vfprintf(stderr, fmt, args); + xen_pv_output_msg(xendev, stderr, fmt, args); va_end(args); } qemu_log_flush(); -- cgit 1.4.1 From 90f37362d7d2037a47f0c18ab4a26055acbd7b3a Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 17 Apr 2022 11:29:59 -0700 Subject: util/log: Remove qemu_log_flush MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit All uses flush output immediately before or after qemu_log_unlock. Instead of a separate call, move the flush into qemu_log_unlock. Reviewed-by: Alex Bennée Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson Message-Id: <20220417183019.755276-20-richard.henderson@linaro.org> --- accel/tcg/translate-all.c | 1 - cpu.c | 1 - hw/net/can/can_sja1000.c | 1 - hw/xen/xen_pvdev.c | 1 - include/qemu/log.h | 2 -- net/can/can_socketcan.c | 1 - tcg/tcg.c | 1 - util/log.c | 14 +------------- 8 files changed, 1 insertion(+), 21 deletions(-) (limited to 'hw/xen/xen_pvdev.c') diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 6230f3c022..291034cb09 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1594,7 +1594,6 @@ TranslationBlock *tb_gen_code(CPUState *cpu, } } fprintf(logfile, "\n"); - qemu_log_flush(); qemu_log_unlock(logfile); } } diff --git a/cpu.c b/cpu.c index ded4173d40..7076ec123a 100644 --- a/cpu.c +++ b/cpu.c @@ -405,7 +405,6 @@ void cpu_abort(CPUState *cpu, const char *fmt, ...) vfprintf(logfile, fmt, ap2); fprintf(logfile, "\n"); cpu_dump_state(cpu, logfile, CPU_DUMP_FPU | CPU_DUMP_CCOP); - qemu_log_flush(); qemu_log_unlock(logfile); } qemu_log_close(); diff --git a/hw/net/can/can_sja1000.c b/hw/net/can/can_sja1000.c index 23d634af6f..e0f76d3eb3 100644 --- a/hw/net/can/can_sja1000.c +++ b/hw/net/can/can_sja1000.c @@ -261,7 +261,6 @@ static void can_display_msg(const char *prefix, const qemu_can_frame *msg) fprintf(logfile, " %02X", msg->data[i]); } fprintf(logfile, "\n"); - qemu_log_flush(); qemu_log_unlock(logfile); } } diff --git a/hw/xen/xen_pvdev.c b/hw/xen/xen_pvdev.c index 0423c61158..037152f063 100644 --- a/hw/xen/xen_pvdev.c +++ b/hw/xen/xen_pvdev.c @@ -230,7 +230,6 @@ void xen_pv_printf(struct XenLegacyDevice *xendev, int msg_level, xen_pv_output_msg(xendev, stderr, fmt, args); va_end(args); } - qemu_log_flush(); } void xen_pv_evtchn_event(void *opaque) diff --git a/include/qemu/log.h b/include/qemu/log.h index 3a1f3a6020..75973111bb 100644 --- a/include/qemu/log.h +++ b/include/qemu/log.h @@ -121,8 +121,6 @@ int qemu_str_to_log_mask(const char *str); */ void qemu_print_log_usage(FILE *f); -/* fflush() the log file */ -void qemu_log_flush(void); /* Close the log file */ void qemu_log_close(void); diff --git a/net/can/can_socketcan.c b/net/can/can_socketcan.c index a6388563c3..c1a1ad0563 100644 --- a/net/can/can_socketcan.c +++ b/net/can/can_socketcan.c @@ -89,7 +89,6 @@ static void can_host_socketcan_display_msg(struct qemu_can_frame *msg) fprintf(logfile, " %02X", msg->data[i]); } fprintf(logfile, "\n"); - qemu_log_flush(); qemu_log_unlock(logfile); } } diff --git a/tcg/tcg.c b/tcg/tcg.c index 79a5e2816f..13c16c2bd0 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -783,7 +783,6 @@ void tcg_prologue_init(TCGContext *s) disas(logfile, s->code_gen_ptr, prologue_size); } fprintf(logfile, "\n"); - qemu_log_flush(); qemu_log_unlock(logfile); } } diff --git a/util/log.c b/util/log.c index 2bd4dfba1b..cab0642a7f 100644 --- a/util/log.c +++ b/util/log.c @@ -54,6 +54,7 @@ FILE *qemu_log_trylock(void) void qemu_log_unlock(FILE *fd) { if (fd) { + fflush(fd); qemu_funlockfile(fd); rcu_read_unlock(); } @@ -269,19 +270,6 @@ out: g_strfreev(ranges); } -/* fflush() the log file */ -void qemu_log_flush(void) -{ - QemuLogFile *logfile; - - rcu_read_lock(); - logfile = qatomic_rcu_read(&qemu_logfile); - if (logfile) { - fflush(logfile->fd); - } - rcu_read_unlock(); -} - /* Close the log file */ void qemu_log_close(void) { -- cgit 1.4.1