diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/runtime/lockrank.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/lockrank.go')
-rw-r--r-- | src/runtime/lockrank.go | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/runtime/lockrank.go b/src/runtime/lockrank.go new file mode 100644 index 0000000..e51d7a0 --- /dev/null +++ b/src/runtime/lockrank.go @@ -0,0 +1,206 @@ +// Code generated by mklockrank.go; DO NOT EDIT. + +package runtime + +type lockRank int + +// Constants representing the ranks of all non-leaf runtime locks, in rank order. +// Locks with lower rank must be taken before locks with higher rank, +// in addition to satisfying the partial order in lockPartialOrder. +// A few ranks allow self-cycles, which are specified in lockPartialOrder. +const ( + lockRankUnknown lockRank = iota + + lockRankSysmon + lockRankScavenge + lockRankForcegc + lockRankDefer + lockRankSweepWaiters + lockRankAssistQueue + lockRankSweep + lockRankTestR + lockRankTestW + lockRankAllocmW + lockRankExecW + lockRankCpuprof + lockRankPollDesc + // SCHED + lockRankAllocmR + lockRankExecR + lockRankSched + lockRankAllg + lockRankAllp + lockRankTimers + lockRankNetpollInit + lockRankHchan + lockRankNotifyList + lockRankSudog + lockRankRoot + lockRankItab + lockRankReflectOffs + lockRankUserArenaState + // TRACEGLOBAL + lockRankTraceBuf + lockRankTraceStrings + // MALLOC + lockRankFin + lockRankGcBitsArenas + lockRankMheapSpecial + lockRankMspanSpecial + lockRankSpanSetSpine + // MPROF + lockRankProfInsert + lockRankProfBlock + lockRankProfMemActive + lockRankProfMemFuture + // STACKGROW + lockRankGscan + lockRankStackpool + lockRankStackLarge + lockRankHchanLeaf + // WB + lockRankWbufSpans + lockRankMheap + lockRankGlobalAlloc + // TRACE + lockRankTrace + lockRankTraceStackTab + lockRankPanic + lockRankDeadlock + lockRankAllocmRInternal + lockRankExecRInternal + lockRankTestRInternal +) + +// lockRankLeafRank is the rank of lock that does not have a declared rank, +// and hence is a leaf lock. +const lockRankLeafRank lockRank = 1000 + +// lockNames gives the names associated with each of the above ranks. +var lockNames = []string{ + lockRankSysmon: "sysmon", + lockRankScavenge: "scavenge", + lockRankForcegc: "forcegc", + lockRankDefer: "defer", + lockRankSweepWaiters: "sweepWaiters", + lockRankAssistQueue: "assistQueue", + lockRankSweep: "sweep", + lockRankTestR: "testR", + lockRankTestW: "testW", + lockRankAllocmW: "allocmW", + lockRankExecW: "execW", + lockRankCpuprof: "cpuprof", + lockRankPollDesc: "pollDesc", + lockRankAllocmR: "allocmR", + lockRankExecR: "execR", + lockRankSched: "sched", + lockRankAllg: "allg", + lockRankAllp: "allp", + lockRankTimers: "timers", + lockRankNetpollInit: "netpollInit", + lockRankHchan: "hchan", + lockRankNotifyList: "notifyList", + lockRankSudog: "sudog", + lockRankRoot: "root", + lockRankItab: "itab", + lockRankReflectOffs: "reflectOffs", + lockRankUserArenaState: "userArenaState", + lockRankTraceBuf: "traceBuf", + lockRankTraceStrings: "traceStrings", + lockRankFin: "fin", + lockRankGcBitsArenas: "gcBitsArenas", + lockRankMheapSpecial: "mheapSpecial", + lockRankMspanSpecial: "mspanSpecial", + lockRankSpanSetSpine: "spanSetSpine", + lockRankProfInsert: "profInsert", + lockRankProfBlock: "profBlock", + lockRankProfMemActive: "profMemActive", + lockRankProfMemFuture: "profMemFuture", + lockRankGscan: "gscan", + lockRankStackpool: "stackpool", + lockRankStackLarge: "stackLarge", + lockRankHchanLeaf: "hchanLeaf", + lockRankWbufSpans: "wbufSpans", + lockRankMheap: "mheap", + lockRankGlobalAlloc: "globalAlloc", + lockRankTrace: "trace", + lockRankTraceStackTab: "traceStackTab", + lockRankPanic: "panic", + lockRankDeadlock: "deadlock", + lockRankAllocmRInternal: "allocmRInternal", + lockRankExecRInternal: "execRInternal", + lockRankTestRInternal: "testRInternal", +} + +func (rank lockRank) String() string { + if rank == 0 { + return "UNKNOWN" + } + if rank == lockRankLeafRank { + return "LEAF" + } + if rank < 0 || int(rank) >= len(lockNames) { + return "BAD RANK" + } + return lockNames[rank] +} + +// lockPartialOrder is the transitive closure of the lock rank graph. +// An entry for rank X lists all of the ranks that can already be held +// when rank X is acquired. +// +// Lock ranks that allow self-cycles list themselves. +var lockPartialOrder [][]lockRank = [][]lockRank{ + lockRankSysmon: {}, + lockRankScavenge: {lockRankSysmon}, + lockRankForcegc: {lockRankSysmon}, + lockRankDefer: {}, + lockRankSweepWaiters: {}, + lockRankAssistQueue: {}, + lockRankSweep: {}, + lockRankTestR: {}, + lockRankTestW: {}, + lockRankAllocmW: {}, + lockRankExecW: {}, + lockRankCpuprof: {}, + lockRankPollDesc: {}, + lockRankAllocmR: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankCpuprof, lockRankPollDesc}, + lockRankExecR: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankCpuprof, lockRankPollDesc}, + lockRankSched: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR}, + lockRankAllg: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched}, + lockRankAllp: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched}, + lockRankTimers: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllp, lockRankTimers}, + lockRankNetpollInit: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllp, lockRankTimers}, + lockRankHchan: {lockRankSysmon, lockRankScavenge, lockRankSweep, lockRankTestR, lockRankHchan}, + lockRankNotifyList: {}, + lockRankSudog: {lockRankSysmon, lockRankScavenge, lockRankSweep, lockRankTestR, lockRankHchan, lockRankNotifyList}, + lockRankRoot: {}, + lockRankItab: {}, + lockRankReflectOffs: {lockRankItab}, + lockRankUserArenaState: {}, + lockRankTraceBuf: {lockRankSysmon, lockRankScavenge}, + lockRankTraceStrings: {lockRankSysmon, lockRankScavenge, lockRankTraceBuf}, + lockRankFin: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankGcBitsArenas: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankMheapSpecial: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankMspanSpecial: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankSpanSetSpine: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankProfInsert: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankProfBlock: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankProfMemActive: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings}, + lockRankProfMemFuture: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankHchan, lockRankNotifyList, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankProfMemActive}, + lockRankGscan: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture}, + lockRankStackpool: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan}, + lockRankStackLarge: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan}, + lockRankHchanLeaf: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan, lockRankHchanLeaf}, + lockRankWbufSpans: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankDefer, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankSudog, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankMspanSpecial, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan}, + lockRankMheap: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankDefer, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankSudog, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankMspanSpecial, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan, lockRankStackpool, lockRankStackLarge, lockRankWbufSpans}, + lockRankGlobalAlloc: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankDefer, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankSudog, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankMheapSpecial, lockRankMspanSpecial, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan, lockRankStackpool, lockRankStackLarge, lockRankWbufSpans, lockRankMheap}, + lockRankTrace: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankDefer, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankSudog, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankMspanSpecial, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan, lockRankStackpool, lockRankStackLarge, lockRankWbufSpans, lockRankMheap}, + lockRankTraceStackTab: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankDefer, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR, lockRankExecR, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankNetpollInit, lockRankHchan, lockRankNotifyList, lockRankSudog, lockRankRoot, lockRankItab, lockRankReflectOffs, lockRankUserArenaState, lockRankTraceBuf, lockRankTraceStrings, lockRankFin, lockRankGcBitsArenas, lockRankMspanSpecial, lockRankSpanSetSpine, lockRankProfInsert, lockRankProfBlock, lockRankProfMemActive, lockRankProfMemFuture, lockRankGscan, lockRankStackpool, lockRankStackLarge, lockRankWbufSpans, lockRankMheap, lockRankTrace}, + lockRankPanic: {}, + lockRankDeadlock: {lockRankPanic, lockRankDeadlock}, + lockRankAllocmRInternal: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankAllocmW, lockRankCpuprof, lockRankPollDesc, lockRankAllocmR}, + lockRankExecRInternal: {lockRankSysmon, lockRankScavenge, lockRankForcegc, lockRankSweepWaiters, lockRankAssistQueue, lockRankSweep, lockRankTestR, lockRankExecW, lockRankCpuprof, lockRankPollDesc, lockRankExecR}, + lockRankTestRInternal: {lockRankTestR, lockRankTestW}, +} |