This series does three things:
1) add a "-trace [enable=]foo" option to enable one or more trace
events, and a "-trace help" option to show the list of tracepoints
(patches 4-5)
2) change the stderr tracing backend so that it prints to the
-D log file, and enable it by default. "-trace file=..." is
now a synonym of -D if the log backend is enabled (patches 7-8)
3) add a "-d trace:foo" option that is a synonym for "-trace foo";
this makes the new functionality more discoverable to people used
to "-d", makes it available for user-mode emulation (which does
not have -trace), and is somewhat nice if you want to enable both
tracepoints and some other "-d" flag (patch 9). When globbing
it is also less susceptible to unwanted shell expansion.
For example, you can trace block device I/O and save the result
to a file just by adding "-trace bdrv_aio_*,file=trace.txt", or
correlate it to guest PCs with "-d exec,nochain,trace:bdrv_aio_*".
Opinions? I would like to have this in 2.5 if there is agreement.
Paolo
Paolo Bonzini (9):
trace: fix documentation
trace: split trace_init_events out of trace_init_backends
trace: split trace_init_file out of trace_init_backends
trace: add "-trace enable=..."
trace: add "-trace help"
log: do not unnecessarily include qom/cpu.h
trace: convert stderr backend to log
trace: switch default backend to "log"
log: add "-d trace:PATTERN"
bsd-user/main.c | 1 +
configure | 6 +-
cpu-exec.c | 1 +
exec.c | 1 +
hw/acpi/cpu_hotplug.c | 1 +
hw/timer/a9gtimer.c | 1 +
include/exec/log.h | 60 ++++++++++++++++
include/qemu/log.h | 60 +---------------
linux-user/main.c | 1 +
qemu-log.c | 19 ++++-
qemu-options.hx | 22 ++++--
qom/cpu.c | 1 +
scripts/tracetool/backend/{stderr.py => log.py} | 9 +--
target-alpha/translate.c | 1 +
target-arm/translate.c | 1 +
target-cris/translate.c | 1 +
target-i386/seg_helper.c | 1 +
target-i386/smm_helper.c | 1 +
target-i386/translate.c | 1 +
target-lm32/helper.c | 1 +
target-lm32/translate.c | 1 +
target-m68k/translate.c | 1 +
target-microblaze/helper.c | 1 +
target-microblaze/translate.c | 1 +
target-mips/helper.c | 1 +
target-mips/translate.c | 2 +
target-moxie/translate.c | 1 +
target-openrisc/translate.c | 1 +
target-ppc/mmu-hash32.c | 1 +
target-ppc/mmu-hash64.c | 1 +
target-ppc/mmu_helper.c | 1 +
target-ppc/translate.c | 1 +
target-s390x/translate.c | 1 +
target-sh4/helper.c | 1 +
target-sh4/translate.c | 1 +
target-sparc/int32_helper.c | 1 +
target-sparc/int64_helper.c | 1 +
target-sparc/translate.c | 1 +
target-tilegx/translate.c | 1 +
target-tricore/translate.c | 1 +
target-unicore32/translate.c | 1 +
target-xtensa/translate.c | 1 +
tcg/tcg.c | 1 +
trace/control.c | 95 ++++++++++++++++++-------
trace/control.h | 42 ++++++++++-
trace/simple.c | 6 +-
trace/simple.h | 4 +-
translate-all.c | 1 +
vl.c | 30 +++++---
49 files changed, 273 insertions(+), 119 deletions(-)
create mode 100644 include/exec/log.h
rename scripts/tracetool/backend/{stderr.py => log.py} (78%)
--
2.5.0
