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cpu-o3: using reverse ordered tick & refactor the stalls logic #756

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Merged
jensen-yan merged 7 commits into from
Mar 6, 2026
Merged

cpu-o3: using reverse ordered tick & refactor the stalls logic #756

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d966055
cpu-o3: using reverse ordered tick & refactor the stalls logic
tastynoob Mar 5, 2026
e6d58ac
cpu-o3: perfcct support result record
tastynoob Mar 5, 2026
fdba12d
cpu-o3: fix reverse ordered tick
tastynoob Mar 5, 2026
85fa332
cpu-o3: add pr docs
jensen-yan Mar 6, 2026
4079192
cpu-o3: Fix reverse-tick topdown propagation
jensen-yan Mar 6, 2026
669eca4
cpu-o3: Refine reverse-tick stall attribution
jensen-yan Mar 6, 2026
0acbad5
cpu-o3: Delay resolve updates after reverse tick
jensen-yan Mar 6, 2026
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2 changes: 1 addition & 1 deletion configs/common/xiangshan.py
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Original file line number Diff line number Diff line change
Expand Up @@ -583,7 +583,7 @@ def build_xiangshan_system(args):
perfCCT_cmd += PerfRecord.vals[0] + " bigint unsigned NOT NULL"
for i in range(1, len(PerfRecord.vals)):
name = PerfRecord.vals[i]
type_str = "bigint unsigned" if name.lower().startswith(('at', 'pc')) else "char(20)"
type_str = "bigint unsigned" if name.lower().startswith(('at', 'pc', 'result')) else "char(20)"
perfCCT_cmd += "," + name + " " + type_str + " NOT NULL"
perfCCT_cmd += ");"

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