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u_trace: Indirect capture fixes

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Fixes a missing sizeof parenthesis.
Fixes multiple indirects writing to the same address.

Fixes: 0a17035b5c ("u_trace: add support for indirect data")
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Christoph Pillmayer <christoph.pillmayer@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36519>
(cherry picked from commit 78ca5ef87f)
This commit is contained in:
Lars-Ivar Hesselberg Simonsen 2025-07-29 16:26:27 +02:00 • committed by Eric Engestrom
parent d7eb552051
commit 1a474a31fe
3 changed files with 8 additions and 6 deletions
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2
.pick_status.json
View file

@ -1334,7 +1334,7 @@
"description": "u_trace: Indirect capture fixes",
"nominated": true,
"nomination_type": 2,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "0a17035b5cd3e181a2bf4ab6feea8b4d5763b613",
"notes": null

10
src/util/perf/u_trace.c
View file

@ -980,11 +980,13 @@ u_trace_appendv(struct u_trace *ut,
tp->flags);
if (ut->utctx->enabled_traces & U_TRACE_TYPE_INDIRECTS) {
uint64_t dst_offset = 0;
for (unsigned i = 0; i < n_indirects; i++) {
ut->utctx->capture_data(ut, cs, chunk->indirects,
ut->utctx->max_indirect_size_bytes * tp_idx,
addresses[i].bo, addresses[i].offset,
indirect_sizes_B[i]);
ut->utctx->capture_data(
ut, cs, chunk->indirects,
ut->utctx->max_indirect_size_bytes * tp_idx + dst_offset,
addresses[i].bo, addresses[i].offset, indirect_sizes_B[i]);
dst_offset += indirect_sizes_B[i];
}
chunk->has_indirect |= n_indirects > 0;
}

2
src/util/perf/u_trace.py
View file

@ -89,7 +89,7 @@ class Tracepoint(object):
indirect_sizes = []
for indirect in self.indirect_args:
indirect.indirect_offset = ' + '.join(indirect_sizes) if len(indirect_sizes) > 0 else 0
indirect_sizes.append(f"sizeof({indirect.type}")
indirect_sizes.append(f"sizeof({indirect.type})")
self.tp_perfetto = tp_perfetto
self.tp_markers = tp_markers