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intel/ds: add INTEL_GPU_TRACEPOINT envvar to toggle tracepoints

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16655>
This commit is contained in:
Lionel Landwerlin
2022-05-22 16:00:40 +03:00
committed by Marge Bot
parent 28b15fa9e7
commit 4dd3e755ea
3 changed files with 21 additions and 2 deletions
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3
docs/u_trace.rst
View File

@@ -68,3 +68,6 @@ u_trace is controlled by environment variables:
* - Turnip
- .. envvar:: TU_GPU_TRACEPOINT
- ``src/freedreno/vulkan/tu_tracepoints.py``
* - Anv
- .. envvar:: INTEL_GPU_TRACEPOINT
- ``src/freedreno/vulkan/intel_tracepoints.py``

1
src/intel/ds/intel_driver_ds.cc
View File

@@ -588,6 +588,7 @@ intel_driver_ds_init(void)
{
call_once(&intel_driver_ds_once_flag,
intel_driver_ds_init_once);
intel_gpu_tracepoint_config_variable();
}
void

19
src/intel/ds/intel_tracepoints.py
View File

@@ -24,6 +24,12 @@
import argparse
import sys
# List of the default tracepoints enabled. By default most tracepoints are
# enabled, set tp_default=False to disable them by default.
#
# Currently only stall is disabled by default
intel_default_tps = []
#
# Tracepoint definitions:
#
@@ -38,10 +44,16 @@ def define_tracepoints(args):
Header('blorp/blorp_priv.h', scope=HeaderScope.HEADER)
Header('ds/intel_driver_ds.h', scope=HeaderScope.HEADER)
def begin_end_tp(name, tp_args=[], tp_struct=None, tp_print=None, end_pipelined=True):
def begin_end_tp(name, tp_args=[], tp_struct=None, tp_print=None,
tp_default_enabled=True, end_pipelined=True):
global intel_default_tps
if tp_default_enabled:
intel_default_tps.append(name)
Tracepoint('intel_begin_{0}'.format(name),
toggle_name=name,
tp_perfetto='intel_ds_begin_{0}'.format(name))
Tracepoint('intel_end_{0}'.format(name),
toggle_name=name,
args=tp_args,
tp_struct=tp_struct,
tp_perfetto='intel_ds_end_{0}'.format(name),
@@ -176,6 +188,7 @@ def define_tracepoints(args):
tp_struct=[Arg(type='uint32_t', name='flags', var='decode_cb(flags)', c_format='0x%x'),
Arg(type='const char *', name='reason', var='reason', c_format='%s'),],
tp_print=stall_args(stall_flags),
tp_default_enabled=False,
end_pipelined=False)
@@ -185,7 +198,9 @@ def generate_code(args):
utrace_generate(cpath=args.utrace_src, hpath=args.utrace_hdr,
ctx_param='struct intel_ds_device *dev',
need_cs_param=False)
need_cs_param=False,
trace_toggle_name='intel_gpu_tracepoint',
trace_toggle_defaults=intel_default_tps)
utrace_generate_perfetto_utils(hpath=args.perfetto_hdr)