diff options
Diffstat (limited to 'scripts/tracetool')
-rw-r--r-- | scripts/tracetool/backend/dtrace.py | 4 | ||||
-rw-r--r-- | scripts/tracetool/backend/ftrace.py | 20 | ||||
-rw-r--r-- | scripts/tracetool/backend/log.py | 26 | ||||
-rw-r--r-- | scripts/tracetool/backend/simple.py | 13 | ||||
-rw-r--r-- | scripts/tracetool/backend/ust.py | 4 | ||||
-rw-r--r-- | scripts/tracetool/format/events_c.py | 11 | ||||
-rw-r--r-- | scripts/tracetool/format/events_h.py | 12 | ||||
-rw-r--r-- | scripts/tracetool/format/h.py | 19 |
8 files changed, 77 insertions, 32 deletions
diff --git a/scripts/tracetool/backend/dtrace.py b/scripts/tracetool/backend/dtrace.py index fabfe99881..ab9ecfab30 100644 --- a/scripts/tracetool/backend/dtrace.py +++ b/scripts/tracetool/backend/dtrace.py @@ -6,7 +6,7 @@ DTrace/SystemTAP backend. """ __author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" -__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>" +__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>" __license__ = "GPL version 2 or (at your option) any later version" __maintainer__ = "Stefan Hajnoczi" @@ -41,6 +41,6 @@ def generate_h_begin(events): def generate_h(event): - out(' QEMU_%(uppername)s(%(argnames)s);', + out(' QEMU_%(uppername)s(%(argnames)s);', uppername=event.name.upper(), argnames=", ".join(event.args.names())) diff --git a/scripts/tracetool/backend/ftrace.py b/scripts/tracetool/backend/ftrace.py index d798c71347..80dcf30478 100644 --- a/scripts/tracetool/backend/ftrace.py +++ b/scripts/tracetool/backend/ftrace.py @@ -30,17 +30,17 @@ def generate_h(event): if len(event.args) > 0: argnames = ", " + argnames - out(' {', - ' char ftrace_buf[MAX_TRACE_STRLEN];', - ' int unused __attribute__ ((unused));', - ' int trlen;', - ' if (trace_event_get_state(%(event_id)s)) {', - ' trlen = snprintf(ftrace_buf, MAX_TRACE_STRLEN,', - ' "%(name)s " %(fmt)s "\\n" %(argnames)s);', - ' trlen = MIN(trlen, MAX_TRACE_STRLEN - 1);', - ' unused = write(trace_marker_fd, ftrace_buf, trlen);', + out(' {', + ' char ftrace_buf[MAX_TRACE_STRLEN];', + ' int unused __attribute__ ((unused));', + ' int trlen;', + ' if (trace_event_get_state(%(event_id)s)) {', + ' trlen = snprintf(ftrace_buf, MAX_TRACE_STRLEN,', + ' "%(name)s " %(fmt)s "\\n" %(argnames)s);', + ' trlen = MIN(trlen, MAX_TRACE_STRLEN - 1);', + ' unused = write(trace_marker_fd, ftrace_buf, trlen);', + ' }', ' }', - ' }', name=event.name, args=event.args, event_id="TRACE_" + event.name.upper(), diff --git a/scripts/tracetool/backend/log.py b/scripts/tracetool/backend/log.py index e409b7326e..b3ff064011 100644 --- a/scripts/tracetool/backend/log.py +++ b/scripts/tracetool/backend/log.py @@ -6,7 +6,7 @@ Stderr built-in backend. """ __author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" -__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>" +__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>" __license__ = "GPL version 2 or (at your option) any later version" __maintainer__ = "Stefan Hajnoczi" @@ -30,15 +30,21 @@ def generate_h(event): if len(event.args) > 0: argnames = ", " + argnames - out(' if (trace_event_get_state(%(event_id)s)) {', - ' struct timeval _now;', - ' gettimeofday(&_now, NULL);', - ' qemu_log_mask(LOG_TRACE, "%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",', - ' getpid(),', - ' (size_t)_now.tv_sec, (size_t)_now.tv_usec', - ' %(argnames)s);', - ' }', - event_id="TRACE_" + event.name.upper(), + if "vcpu" in event.properties: + # already checked on the generic format code + cond = "true" + else: + cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper()) + + out(' if (%(cond)s) {', + ' struct timeval _now;', + ' gettimeofday(&_now, NULL);', + ' qemu_log_mask(LOG_TRACE, "%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",', + ' getpid(),', + ' (size_t)_now.tv_sec, (size_t)_now.tv_usec', + ' %(argnames)s);', + ' }', + cond=cond, name=event.name, fmt=event.fmt.rstrip("\n"), argnames=argnames) diff --git a/scripts/tracetool/backend/simple.py b/scripts/tracetool/backend/simple.py index 3246c20015..1bccada63d 100644 --- a/scripts/tracetool/backend/simple.py +++ b/scripts/tracetool/backend/simple.py @@ -36,7 +36,7 @@ def generate_h_begin(events): def generate_h(event): - out(' _simple_%(api)s(%(args)s);', + out(' _simple_%(api)s(%(args)s);', api=event.api(), args=", ".join(event.args.names())) @@ -68,16 +68,23 @@ def generate_c(event): if len(event.args) == 0: sizestr = '0' + event_id = 'TRACE_' + event.name.upper() + if "vcpu" in event.properties: + # already checked on the generic format code + cond = "true" + else: + cond = "trace_event_get_state(%s)" % event_id out('', - ' if (!trace_event_get_state(%(event_id)s)) {', + ' if (!%(cond)s) {', ' return;', ' }', '', ' if (trace_record_start(&rec, %(event_id)s, %(size_str)s)) {', ' return; /* Trace Buffer Full, Event Dropped ! */', ' }', - event_id='TRACE_' + event.name.upper(), + cond=cond, + event_id=event_id, size_str=sizestr) if len(event.args) > 0: diff --git a/scripts/tracetool/backend/ust.py b/scripts/tracetool/backend/ust.py index 2f8f44abde..ed4c227f69 100644 --- a/scripts/tracetool/backend/ust.py +++ b/scripts/tracetool/backend/ust.py @@ -6,7 +6,7 @@ LTTng User Space Tracing backend. """ __author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" -__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>" +__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>" __license__ = "GPL version 2 or (at your option) any later version" __maintainer__ = "Stefan Hajnoczi" @@ -30,6 +30,6 @@ def generate_h(event): if len(event.args) > 0: argnames = ", " + argnames - out(' tracepoint(qemu, %(name)s%(tp_args)s);', + out(' tracepoint(qemu, %(name)s%(tp_args)s);', name=event.name, tp_args=argnames) diff --git a/scripts/tracetool/format/events_c.py b/scripts/tracetool/format/events_c.py index 1cc6a49a71..4012063283 100644 --- a/scripts/tracetool/format/events_c.py +++ b/scripts/tracetool/format/events_c.py @@ -6,7 +6,7 @@ trace/generated-events.c """ __author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" -__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>" +__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>" __license__ = "GPL version 2 or (at your option) any later version" __maintainer__ = "Stefan Hajnoczi" @@ -28,8 +28,15 @@ def generate(events, backend): out('TraceEvent trace_events[TRACE_EVENT_COUNT] = {') for e in events: - out(' { .id = %(id)s, .name = \"%(name)s\", .sstate = %(sstate)s },', + if "vcpu" in e.properties: + vcpu_id = "TRACE_VCPU_" + e.name.upper() + else: + vcpu_id = "TRACE_VCPU_EVENT_COUNT" + out(' { .id = %(id)s, .vcpu_id = %(vcpu_id)s,' + ' .name = \"%(name)s\",' + ' .sstate = %(sstate)s },', id = "TRACE_" + e.name.upper(), + vcpu_id = vcpu_id, name = e.name, sstate = "TRACE_%s_ENABLED" % e.name.upper()) diff --git a/scripts/tracetool/format/events_h.py b/scripts/tracetool/format/events_h.py index 4529263e00..a9da60b7fa 100644 --- a/scripts/tracetool/format/events_h.py +++ b/scripts/tracetool/format/events_h.py @@ -32,13 +32,23 @@ def generate(events, backend): out(' TRACE_EVENT_COUNT', '} TraceEventID;') + # per-vCPU event identifiers + out('typedef enum {') + + for e in events: + if "vcpu" in e.properties: + out(' TRACE_VCPU_%s,' % e.name.upper()) + + out(' TRACE_VCPU_EVENT_COUNT', + '} TraceEventVCPUID;') + # static state for e in events: if 'disable' in e.properties: enabled = 0 else: enabled = 1 - if "tcg-trans" in e.properties: + if "tcg-exec" in e.properties: # a single define for the two "sub-events" out('#define TRACE_%(name)s_ENABLED %(enabled)d', name=e.original.name.upper(), diff --git a/scripts/tracetool/format/h.py b/scripts/tracetool/format/h.py index 0835406216..3763e9aecb 100644 --- a/scripts/tracetool/format/h.py +++ b/scripts/tracetool/format/h.py @@ -23,21 +23,36 @@ def generate(events, backend): '#define TRACE__GENERATED_TRACERS_H', '', '#include "qemu-common.h"', + '#include "trace/control.h"', '') backend.generate_begin(events) for e in events: + if "vcpu" in e.properties: + trace_cpu = next(iter(e.args))[1] + cond = "trace_event_get_vcpu_state(%(cpu)s,"\ + " TRACE_%(id)s,"\ + " TRACE_VCPU_%(id)s)"\ + % dict( + cpu=trace_cpu, + id=e.name.upper()) + else: + cond = "true" + out('', 'static inline void %(api)s(%(args)s)', '{', + ' if (%(cond)s) {', api=e.api(), - args=e.args) + args=e.args, + cond=cond) if "disable" not in e.properties: backend.generate(e) - out('}') + out(' }', + '}') backend.generate_end(events) |