16c00db4bb
Pull AFS fixes from David Howells:
"Here's a set of patches that fix a number of bugs in the in-kernel AFS
client, including:
- Fix directory locking to not use individual page locks for
directory reading/scanning but rather to use a semaphore on the
afs_vnode struct as the directory contents must be read in a single
blob and data from different reads must not be mixed as the entire
contents may be shuffled about between reads.
- Fix address list parsing to handle port specifiers correctly.
- Only give up callback records on a server if we actually talked to
that server (we might not be able to access a server).
- Fix some callback handling bugs, including refcounting,
whole-volume callbacks and when callbacks actually get broken in
response to a CB.CallBack op.
- Fix some server/address rotation bugs, including giving up if we
can't probe a server; giving up if a server says it doesn't have a
volume, but there are more servers to try.
- Fix the decoding of fetched statuses to be OpenAFS compatible.
- Fix the handling of server lookups in Cache Manager ops (such as
CB.InitCallBackState3) to use a UUID if possible and to handle no
server being found.
- Fix a bug in server lookup where not all addresses are compared.
- Fix the non-encryption of calls that prevents some servers from
being accessed (this also requires an AF_RXRPC patch that has
already gone in through the net tree).
There's also a patch that adds tracepoints to log Cache Manager ops
that don't find a matching server, either by UUID or by address"
* tag 'afs-fixes-20180514' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Fix the non-encryption of calls
afs: Fix CB.CallBack handling
afs: Fix whole-volume callback handling
afs: Fix afs_find_server search loop
afs: Fix the handling of an unfound server in CM operations
afs: Add a tracepoint to record callbacks from unlisted servers
afs: Fix the handling of CB.InitCallBackState3 to find the server by UUID
afs: Fix VNOVOL handling in address rotation
afs: Fix AFSFetchStatus decoder to provide OpenAFS compatibility
afs: Fix server rotation's handling of fileserver probe failure
afs: Fix refcounting in callback registration
afs: Fix giving up callbacks on server destruction
afs: Fix address list parsing
afs: Fix directory page locking
165 lines
7.1 KiB
JSON
165 lines
7.1 KiB
JSON
[
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{
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"BriefDescription": "Instructions Per Cycle (per logical thread)",
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"MetricExpr": "INST_RETIRED.ANY / CPU_CLK_UNHALTED.THREAD",
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"MetricGroup": "TopDownL1",
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"MetricName": "IPC"
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},
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{
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"BriefDescription": "Uops Per Instruction",
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"MetricExpr": "UOPS_RETIRED.RETIRE_SLOTS / INST_RETIRED.ANY",
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"MetricGroup": "Pipeline",
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"MetricName": "UPI"
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},
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{
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"BriefDescription": "Rough Estimation of fraction of fetched lines bytes that were likely consumed by program instructions",
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"MetricExpr": "min( 1 , UOPS_ISSUED.ANY / ( (UOPS_RETIRED.RETIRE_SLOTS / INST_RETIRED.ANY) * 32 * ( ICACHE.HIT + ICACHE.MISSES ) / 4) )",
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"MetricGroup": "Frontend",
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"MetricName": "IFetch_Line_Utilization"
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},
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{
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"BriefDescription": "Fraction of Uops delivered by the DSB (aka Decoded Icache; or Uop Cache)",
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"MetricExpr": "IDQ.DSB_UOPS / ( IDQ.DSB_UOPS + LSD.UOPS + IDQ.MITE_UOPS + IDQ.MS_UOPS )",
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"MetricGroup": "DSB; Frontend_Bandwidth",
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"MetricName": "DSB_Coverage"
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},
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{
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"BriefDescription": "Cycles Per Instruction (threaded)",
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"MetricExpr": "1 / (INST_RETIRED.ANY / cycles)",
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"MetricGroup": "Pipeline;Summary",
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"MetricName": "CPI"
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},
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{
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"BriefDescription": "Per-thread actual clocks when the logical processor is active. This is called 'Clockticks' in VTune.",
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"MetricExpr": "CPU_CLK_UNHALTED.THREAD",
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"MetricGroup": "Summary",
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"MetricName": "CLKS"
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},
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{
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"BriefDescription": "Total issue-pipeline slots",
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"MetricExpr": "4*(( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else cycles)",
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"MetricGroup": "TopDownL1",
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"MetricName": "SLOTS"
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},
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{
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"BriefDescription": "Total number of retired Instructions",
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"MetricExpr": "INST_RETIRED.ANY",
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"MetricGroup": "Summary",
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"MetricName": "Instructions"
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},
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{
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"BriefDescription": "Instructions Per Cycle (per physical core)",
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"MetricExpr": "INST_RETIRED.ANY / (( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else cycles)",
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"MetricGroup": "SMT",
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"MetricName": "CoreIPC"
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},
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{
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"BriefDescription": "Instruction-Level-Parallelism (average number of uops executed when there is at least 1 uop executed)",
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"MetricExpr": "UOPS_EXECUTED.THREAD / (( cpu@UOPS_EXECUTED.CORE\\,cmask\\=1@ / 2) if #SMT_on else UOPS_EXECUTED.CYCLES_GE_1_UOP_EXEC)",
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"MetricGroup": "Pipeline;Ports_Utilization",
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"MetricName": "ILP"
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},
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{
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"BriefDescription": "Average Branch Address Clear Cost (fraction of cycles)",
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"MetricExpr": "2* (( RS_EVENTS.EMPTY_CYCLES - ICACHE.IFETCH_STALL ) / RS_EVENTS.EMPTY_END)",
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"MetricGroup": "Unknown_Branches",
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"MetricName": "BAClear_Cost"
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},
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{
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"BriefDescription": "Core actual clocks when any thread is active on the physical core",
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"MetricExpr": "( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else CPU_CLK_UNHALTED.THREAD",
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"MetricGroup": "SMT",
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"MetricName": "CORE_CLKS"
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},
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{
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"BriefDescription": "Actual Average Latency for L1 data-cache miss demand loads",
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"MetricExpr": "L1D_PEND_MISS.PENDING / ( MEM_LOAD_UOPS_RETIRED.L1_MISS + mem_load_uops_retired.hit_lfb )",
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"MetricGroup": "Memory_Bound;Memory_Lat",
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"MetricName": "Load_Miss_Real_Latency"
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},
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{
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"BriefDescription": "Memory-Level-Parallelism (average number of L1 miss demand load when there is at least 1 such miss)",
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"MetricExpr": "L1D_PEND_MISS.PENDING / (( cpu@l1d_pend_miss.pending_cycles\\,any\\=1@ / 2) if #SMT_on else L1D_PEND_MISS.PENDING_CYCLES)",
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"MetricGroup": "Memory_Bound;Memory_BW",
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"MetricName": "MLP"
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},
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{
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"BriefDescription": "Utilization of the core's Page Walker(s) serving STLB misses triggered by instruction/Load/Store accesses",
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"MetricExpr": "( ITLB_MISSES.WALK_DURATION + DTLB_LOAD_MISSES.WALK_DURATION + DTLB_STORE_MISSES.WALK_DURATION ) / (( CPU_CLK_UNHALTED.THREAD_ANY / 2 ) if #SMT_on else cycles)",
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"MetricGroup": "TLB",
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"MetricName": "Page_Walks_Utilization"
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},
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{
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"BriefDescription": "Average CPU Utilization",
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"MetricExpr": "CPU_CLK_UNHALTED.REF_TSC / msr@tsc@",
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"MetricGroup": "Summary",
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"MetricName": "CPU_Utilization"
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},
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{
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"BriefDescription": "Giga Floating Point Operations Per Second",
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"MetricExpr": "(( 1*( FP_COMP_OPS_EXE.SSE_SCALAR_SINGLE + FP_COMP_OPS_EXE.SSE_SCALAR_DOUBLE ) + 2* FP_COMP_OPS_EXE.SSE_PACKED_DOUBLE + 4*( FP_COMP_OPS_EXE.SSE_PACKED_SINGLE + SIMD_FP_256.PACKED_DOUBLE ) + 8* SIMD_FP_256.PACKED_SINGLE )) / 1000000000 / duration_time",
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"MetricGroup": "FLOPS;Summary",
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"MetricName": "GFLOPs"
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},
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{
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"BriefDescription": "Average Frequency Utilization relative nominal frequency",
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"MetricExpr": "CPU_CLK_UNHALTED.THREAD / CPU_CLK_UNHALTED.REF_TSC",
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"MetricGroup": "Power",
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"MetricName": "Turbo_Utilization"
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},
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{
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"BriefDescription": "Fraction of cycles where both hardware threads were active",
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"MetricExpr": "1 - CPU_CLK_THREAD_UNHALTED.ONE_THREAD_ACTIVE / ( CPU_CLK_THREAD_UNHALTED.REF_XCLK_ANY / 2 ) if #SMT_on else 0",
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"MetricGroup": "SMT;Summary",
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"MetricName": "SMT_2T_Utilization"
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},
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{
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"BriefDescription": "Fraction of cycles spent in Kernel mode",
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"MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:u / CPU_CLK_UNHALTED.REF_TSC",
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"MetricGroup": "Summary",
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"MetricName": "Kernel_Utilization"
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},
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{
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"BriefDescription": "C3 residency percent per core",
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"MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
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"MetricGroup": "Power",
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"MetricName": "C3_Core_Residency"
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},
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{
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"BriefDescription": "C6 residency percent per core",
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"MetricExpr": "(cstate_core@c6\\-residency@ / msr@tsc@) * 100",
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"MetricGroup": "Power",
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"MetricName": "C6_Core_Residency"
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},
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{
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"BriefDescription": "C7 residency percent per core",
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"MetricExpr": "(cstate_core@c7\\-residency@ / msr@tsc@) * 100",
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"MetricGroup": "Power",
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"MetricName": "C7_Core_Residency"
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},
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{
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"BriefDescription": "C2 residency percent per package",
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"MetricExpr": "(cstate_pkg@c2\\-residency@ / msr@tsc@) * 100",
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"MetricGroup": "Power",
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"MetricName": "C2_Pkg_Residency"
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},
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{
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"BriefDescription": "C3 residency percent per package",
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"MetricExpr": "(cstate_pkg@c3\\-residency@ / msr@tsc@) * 100",
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"MetricGroup": "Power",
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"MetricName": "C3_Pkg_Residency"
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},
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{
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"BriefDescription": "C6 residency percent per package",
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"MetricExpr": "(cstate_pkg@c6\\-residency@ / msr@tsc@) * 100",
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"MetricGroup": "Power",
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"MetricName": "C6_Pkg_Residency"
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},
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{
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"BriefDescription": "C7 residency percent per package",
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"MetricExpr": "(cstate_pkg@c7\\-residency@ / msr@tsc@) * 100",
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"MetricGroup": "Power",
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"MetricName": "C7_Pkg_Residency"
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}
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]
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