[PULL 22/92] hw/char/serial: Rename I/O read/write trace events

Paolo Bonzini posted 92 patches 5 years, 4 months ago
Maintainers: Fam Zheng <fam@euphon.net>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, Thomas Huth <thuth@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Christian Borntraeger <borntraeger@de.ibm.com>, Markus Armbruster <armbru@redhat.com>, Bandan Das <bsd@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, Michael Roth <mdroth@linux.vnet.ibm.com>, Peter Maydell <peter.maydell@linaro.org>, Jason Wang <jasowang@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Sergio Lopez <slp@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Hannes Reinecke <hare@suse.com>, Stefan Weil <sw@weilnetz.de>, Cleber Rosa <crosa@redhat.com>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, David Hildenbrand <david@redhat.com>, Aurelien Jarno <aurelien@aurel32.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Eric Blake <eblake@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Alexander Bulekov <alxndr@bu.edu>, "Michael S. Tsirkin" <mst@redhat.com>, David Gibson <david@gibson.dropbear.id.au>, Max Reitz <mreitz@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, Sunil Muthuswamy <sunilmut@microsoft.com>, Richard Henderson <rth@twiddle.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Kevin Wolf <kwolf@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Halil Pasic <pasic@linux.ibm.com>
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[PULL 22/92] hw/char/serial: Rename I/O read/write trace events
Posted by Paolo Bonzini 5 years, 4 months ago
From: Philippe Mathieu-Daudé <f4bug@amsat.org>

The serial_mm_read/write() handlers from the TYPE_SERIAL_MM device
call the serial_ioport_read/write() handlers with shifted offset.

When looking at the trace events from this MMIO device, it is
confusing to read the accesses as I/O. Simplify using generic
trace event names which make sense the various uses.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200907015535.827885-5-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/char/serial.c     | 4 ++--
 hw/char/trace-events | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/hw/char/serial.c b/hw/char/serial.c
index 26f7fa8a21..7b5ef872bd 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -333,7 +333,7 @@ static void serial_ioport_write(void *opaque, hwaddr addr, uint64_t val,
     SerialState *s = opaque;
 
     assert(size == 1 && addr < 8);
-    trace_serial_ioport_write(addr, val);
+    trace_serial_write(addr, val);
     switch(addr) {
     default:
     case 0:
@@ -550,7 +550,7 @@ static uint64_t serial_ioport_read(void *opaque, hwaddr addr, unsigned size)
         ret = s->scr;
         break;
     }
-    trace_serial_ioport_read(addr, ret);
+    trace_serial_read(addr, ret);
     return ret;
 }
 
diff --git a/hw/char/trace-events b/hw/char/trace-events
index 17304bef26..609df10fed 100644
--- a/hw/char/trace-events
+++ b/hw/char/trace-events
@@ -5,8 +5,8 @@ parallel_ioport_read(const char *desc, uint16_t addr, uint8_t value) "read [%s]
 parallel_ioport_write(const char *desc, uint16_t addr, uint8_t value) "write [%s] addr 0x%02x val 0x%02x"
 
 # serial.c
-serial_ioport_read(uint16_t addr, uint8_t value) "read addr 0x%02x val 0x%02x"
-serial_ioport_write(uint16_t addr, uint8_t value) "write addr 0x%02x val 0x%02x"
+serial_read(uint16_t addr, uint8_t value) "read addr 0x%02x val 0x%02x"
+serial_write(uint16_t addr, uint8_t value) "write addr 0x%02x val 0x%02x"
 serial_update_parameters(uint64_t baudrate, char parity, int data_bits, int stop_bits) "baudrate=%"PRIu64" parity='%c' data=%d stop=%d"
 
 # virtio-serial-bus.c
-- 
2.26.2