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Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse source 
Pull locking and atomic updates from Ingo Molnar:
 "Main changes in this cycle are:

   - Extend atomic primitives with coherent logic op primitives
     (atomic_{or,and,xor}()) and deprecate the old partial APIs
     (atomic_{set,clear}_mask())

     The old ops were incoherent with incompatible signatures across
     architectures and with incomplete support.  Now every architecture
     supports the primitives consistently (by Peter Zijlstra)

   - Generic support for 'relaxed atomics':

       - _acquire/release/relaxed() flavours of xchg(), cmpxchg() and {add,sub}_return()
       - atomic_read_acquire()
       - atomic_set_release()

     This came out of porting qwrlock code to arm64 (by Will Deacon)

   - Clean up the fragile static_key APIs that were causing repeat bugs,
     by introducing a new one:

       DEFINE_STATIC_KEY_TRUE(name);
       DEFINE_STATIC_KEY_FALSE(name);

     which define a key of different types with an initial true/false
     value.

     Then allow:

       static_branch_likely()
       static_branch_unlikely()

     to take a key of either type and emit the right instruction for the
     case.  To be able to know the 'type' of the static key we encode it
     in the jump entry (by Peter Zijlstra)

   - Static key self-tests (by Jason Baron)

   - qrwlock optimizations (by Waiman Long)

   - small futex enhancements (by Davidlohr Bueso)

   - ... and misc other changes"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (63 commits)
  jump_label/x86: Work around asm build bug on older/backported GCCs
  locking, ARM, atomics: Define our SMP atomics in terms of _relaxed() operations
  locking, include/llist: Use linux/atomic.h instead of asm/cmpxchg.h
  locking/qrwlock: Make use of _{acquire|release|relaxed}() atomics
  locking/qrwlock: Implement queue_write_unlock() using smp_store_release()
  locking/lockref: Remove homebrew cmpxchg64_relaxed() macro definition
  locking, asm-generic: Add _{relaxed|acquire|release}() variants for 'atomic_long_t'
  locking, asm-generic: Rework atomic-long.h to avoid bulk code duplication
  locking/atomics: Add _{acquire|release|relaxed}() variants of some atomic operations
  locking, compiler.h: Cast away attributes in the WRITE_ONCE() magic
  locking/static_keys: Make verify_keys() static
  jump label, locking/static_keys: Update docs
  locking/static_keys: Provide a selftest
  jump_label: Provide a self-test
  s390/uaccess, locking/static_keys: employ static_branch_likely()
  x86, tsc, locking/static_keys: Employ static_branch_likely()
  locking/static_keys: Add selftest
  locking/static_keys: Add a new static_key interface
  locking/static_keys: Rework update logic
  locking/static_keys: Add static_key_{en,dis}able() helpers
  ...
This commit is contained in:
Linus Torvalds 2015-09-03 15:46:07 -07:00
commit ca520cab25
139 changed files with 2428 additions and 3588 deletions
Download patch file Download diff file Expand all files Collapse all files

21
scripts/rt-tester/check-all.sh
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function testit ()
{
printf "%-30s: " $1
./rt-tester.py $1 | grep Pass
}
testit t2-l1-2rt-sameprio.tst
testit t2-l1-pi.tst
testit t2-l1-signal.tst
#testit t2-l2-2rt-deadlock.tst
testit t3-l1-pi-1rt.tst
testit t3-l1-pi-2rt.tst
testit t3-l1-pi-3rt.tst
testit t3-l1-pi-signal.tst
testit t3-l1-pi-steal.tst
testit t3-l2-pi.tst
testit t4-l2-pi-deboost.tst
testit t5-l4-pi-boost-deboost.tst
testit t5-l4-pi-boost-deboost-setsched.tst

218
scripts/rt-tester/rt-tester.py
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#!/usr/bin/python
#
# rt-mutex tester
#
# (C) 2006 Thomas Gleixner <tglx@linutronix.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
import os
import sys
import getopt
import shutil
import string
# Globals
quiet = 0
test = 0
comments = 0
sysfsprefix = "/sys/devices/system/rttest/rttest"
statusfile = "/status"
commandfile = "/command"
# Command opcodes
cmd_opcodes = {
"schedother" : "1",
"schedfifo" : "2",
"lock" : "3",
"locknowait" : "4",
"lockint" : "5",
"lockintnowait" : "6",
"lockcont" : "7",
"unlock" : "8",
"signal" : "11",
"resetevent" : "98",
"reset" : "99",
}
test_opcodes = {
"prioeq" : ["P" , "eq" , None],
"priolt" : ["P" , "lt" , None],
"priogt" : ["P" , "gt" , None],
"nprioeq" : ["N" , "eq" , None],
"npriolt" : ["N" , "lt" , None],
"npriogt" : ["N" , "gt" , None],
"unlocked" : ["M" , "eq" , 0],
"trylock" : ["M" , "eq" , 1],
"blocked" : ["M" , "eq" , 2],
"blockedwake" : ["M" , "eq" , 3],
"locked" : ["M" , "eq" , 4],
"opcodeeq" : ["O" , "eq" , None],
"opcodelt" : ["O" , "lt" , None],
"opcodegt" : ["O" , "gt" , None],
"eventeq" : ["E" , "eq" , None],
"eventlt" : ["E" , "lt" , None],
"eventgt" : ["E" , "gt" , None],
}
# Print usage information
def usage():
print "rt-tester.py <-c -h -q -t> <testfile>"
print " -c display comments after first command"
print " -h help"
print " -q quiet mode"
print " -t test mode (syntax check)"
print " testfile: read test specification from testfile"
print " otherwise from stdin"
return
# Print progress when not in quiet mode
def progress(str):
if not quiet:
print str
# Analyse a status value
def analyse(val, top, arg):
intval = int(val)
if top[0] == "M":
intval = intval / (10 ** int(arg))
intval = intval % 10
argval = top[2]
elif top[0] == "O":
argval = int(cmd_opcodes.get(arg, arg))
else:
argval = int(arg)
# progress("%d %s %d" %(intval, top[1], argval))
if top[1] == "eq" and intval == argval:
return 1
if top[1] == "lt" and intval < argval:
return 1
if top[1] == "gt" and intval > argval:
return 1
return 0
# Parse the commandline
try:
(options, arguments) = getopt.getopt(sys.argv[1:],'chqt')
except getopt.GetoptError, ex:
usage()
sys.exit(1)
# Parse commandline options
for option, value in options:
if option == "-c":
comments = 1
elif option == "-q":
quiet = 1
elif option == "-t":
test = 1
elif option == '-h':
usage()
sys.exit(0)
# Select the input source
if arguments:
try:
fd = open(arguments[0])
except Exception,ex:
sys.stderr.write("File not found %s\n" %(arguments[0]))
sys.exit(1)
else:
fd = sys.stdin
linenr = 0
# Read the test patterns
while 1:
linenr = linenr + 1
line = fd.readline()
if not len(line):
break
line = line.strip()
parts = line.split(":")
if not parts or len(parts) < 1:
continue
if len(parts[0]) == 0:
continue
if parts[0].startswith("#"):
if comments > 1:
progress(line)
continue
if comments == 1:
comments = 2
progress(line)
cmd = parts[0].strip().lower()
opc = parts[1].strip().lower()
tid = parts[2].strip()
dat = parts[3].strip()
try:
# Test or wait for a status value
if cmd == "t" or cmd == "w":
testop = test_opcodes[opc]
fname = "%s%s%s" %(sysfsprefix, tid, statusfile)
if test:
print fname
continue
while 1:
query = 1
fsta = open(fname, 'r')
status = fsta.readline().strip()
fsta.close()
stat = status.split(",")
for s in stat:
s = s.strip()
if s.startswith(testop[0]):
# Separate status value
val = s[2:].strip()
query = analyse(val, testop, dat)
break
if query or cmd == "t":
break
progress(" " + status)
if not query:
sys.stderr.write("Test failed in line %d\n" %(linenr))
sys.exit(1)
# Issue a command to the tester
elif cmd == "c":
cmdnr = cmd_opcodes[opc]
# Build command string and sys filename
cmdstr = "%s:%s" %(cmdnr, dat)
fname = "%s%s%s" %(sysfsprefix, tid, commandfile)
if test:
print fname
continue
fcmd = open(fname, 'w')
fcmd.write(cmdstr)
fcmd.close()
except Exception,ex:
sys.stderr.write(str(ex))
sys.stderr.write("\nSyntax error in line %d\n" %(linenr))
if not test:
fd.close()
sys.exit(1)
# Normal exit pass
print "Pass"
sys.exit(0)

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scripts/rt-tester/t2-l1-2rt-sameprio.tst
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#
# RT-Mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal 0
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 2 threads 1 lock
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedfifo: 0: 80
C: schedfifo: 1: 80
# T0 lock L0
C: locknowait: 0: 0
C: locknowait: 1: 0
W: locked: 0: 0
W: blocked: 1: 0
T: prioeq: 0: 80
# T0 unlock L0
C: unlock: 0: 0
W: locked: 1: 0
# Verify T0
W: unlocked: 0: 0
T: prioeq: 0: 80
# Unlock
C: unlock: 1: 0
W: unlocked: 1: 0
# T1,T0 lock L0
C: locknowait: 1: 0
C: locknowait: 0: 0
W: locked: 1: 0
W: blocked: 0: 0
T: prioeq: 1: 80
# T1 unlock L0
C: unlock: 1: 0
W: locked: 0: 0
# Verify T1
W: unlocked: 1: 0
T: prioeq: 1: 80
# Unlock and exit
C: unlock: 0: 0
W: unlocked: 0: 0

77
scripts/rt-tester/t2-l1-pi.tst
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#
# RT-Mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal 0
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 2 threads 1 lock with priority inversion
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedfifo: 1: 80
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L0
C: locknowait: 1: 0
W: blocked: 1: 0
T: prioeq: 0: 80
# T0 unlock L0
C: unlock: 0: 0
W: locked: 1: 0
# Verify T1
W: unlocked: 0: 0
T: priolt: 0: 1
# Unlock and exit
C: unlock: 1: 0
W: unlocked: 1: 0

72
scripts/rt-tester/t2-l1-signal.tst
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#
# RT-Mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal 0
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 2 threads 1 lock with priority inversion
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedother: 1: 0
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L0
C: lockintnowait: 1: 0
W: blocked: 1: 0
# Interrupt T1
C: signal: 1: 0
W: unlocked: 1: 0
T: opcodeeq: 1: -4
# Unlock and exit
C: unlock: 0: 0
W: unlocked: 0: 0

84
scripts/rt-tester/t2-l2-2rt-deadlock.tst
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#
# RT-Mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal 0
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 2 threads 2 lock
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedfifo: 0: 80
C: schedfifo: 1: 80
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L1
C: locknowait: 1: 1
W: locked: 1: 1
# T0 lock L1
C: lockintnowait: 0: 1
W: blocked: 0: 1
# T1 lock L0
C: lockintnowait: 1: 0
W: blocked: 1: 0
# Make deadlock go away
C: signal: 1: 0
W: unlocked: 1: 0
C: signal: 0: 0
W: unlocked: 0: 1
# Unlock and exit
C: unlock: 0: 0
W: unlocked: 0: 0
C: unlock: 1: 1
W: unlocked: 1: 1

87
scripts/rt-tester/t3-l1-pi-1rt.tst
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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 3 threads 1 lock PI
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedother: 1: 0
C: schedfifo: 2: 82
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L0
C: locknowait: 1: 0
W: blocked: 1: 0
T: priolt: 0: 1
# T2 lock L0
C: locknowait: 2: 0
W: blocked: 2: 0
T: prioeq: 0: 82
# T0 unlock L0
C: unlock: 0: 0
# Wait until T2 got the lock
W: locked: 2: 0
W: unlocked: 0: 0
T: priolt: 0: 1
# T2 unlock L0
C: unlock: 2: 0
W: unlocked: 2: 0
W: locked: 1: 0
C: unlock: 1: 0
W: unlocked: 1: 0

88
scripts/rt-tester/t3-l1-pi-2rt.tst
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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 3 threads 1 lock PI
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedfifo: 1: 81
C: schedfifo: 2: 82
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L0
C: locknowait: 1: 0
W: blocked: 1: 0
T: prioeq: 0: 81
# T2 lock L0
C: locknowait: 2: 0
W: blocked: 2: 0
T: prioeq: 0: 82
T: prioeq: 1: 81
# T0 unlock L0
C: unlock: 0: 0
# Wait until T2 got the lock
W: locked: 2: 0
W: unlocked: 0: 0
T: priolt: 0: 1
# T2 unlock L0
C: unlock: 2: 0
W: unlocked: 2: 0
W: locked: 1: 0
C: unlock: 1: 0
W: unlocked: 1: 0

87
scripts/rt-tester/t3-l1-pi-3rt.tst
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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 3 threads 1 lock PI
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedfifo: 0: 80
C: schedfifo: 1: 81
C: schedfifo: 2: 82
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L0
C: locknowait: 1: 0
W: blocked: 1: 0
T: prioeq: 0: 81
# T2 lock L0
C: locknowait: 2: 0
W: blocked: 2: 0
T: prioeq: 0: 82
# T0 unlock L0
C: unlock: 0: 0
# Wait until T2 got the lock
W: locked: 2: 0
W: unlocked: 0: 0
T: prioeq: 0: 80
# T2 unlock L0
C: unlock: 2: 0
W: locked: 1: 0
W: unlocked: 2: 0
C: unlock: 1: 0
W: unlocked: 1: 0

93
scripts/rt-tester/t3-l1-pi-signal.tst
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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
# Reset event counter
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set priorities
C: schedother: 0: 0
C: schedfifo: 1: 80
C: schedfifo: 2: 81
# T0 lock L0
C: lock: 0: 0
W: locked: 0: 0
# T1 lock L0, no wait in the wakeup path
C: locknowait: 1: 0
W: blocked: 1: 0
T: prioeq: 0: 80
T: prioeq: 1: 80
# T2 lock L0 interruptible, no wait in the wakeup path
C: lockintnowait: 2: 0
W: blocked: 2: 0
T: prioeq: 0: 81
T: prioeq: 1: 80
# Interrupt T2
C: signal: 2: 2
W: unlocked: 2: 0
T: prioeq: 1: 80
T: prioeq: 0: 80
T: locked: 0: 0
T: blocked: 1: 0
# T0 unlock L0
C: unlock: 0: 0
# Wait until T1 has locked L0 and exit
W: locked: 1: 0
W: unlocked: 0: 0
T: priolt: 0: 1
C: unlock: 1: 0
W: unlocked: 1: 0

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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 3 threads 1 lock PI steal pending ownership
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedfifo: 1: 80
C: schedfifo: 2: 81
# T0 lock L0
C: lock: 0: 0
W: locked: 0: 0
# T1 lock L0
C: lock: 1: 0
W: blocked: 1: 0
T: prioeq: 0: 80
# T0 unlock L0
C: unlock: 0: 0
# Wait until T1 is in the wakeup loop
W: blockedwake: 1: 0
T: priolt: 0: 1
# T2 lock L0
C: lock: 2: 0
# T1 leave wakeup loop
C: lockcont: 1: 0
# T2 must have the lock and T1 must be blocked
W: locked: 2: 0
W: blocked: 1: 0
# T2 unlock L0
C: unlock: 2: 0
# Wait until T1 is in the wakeup loop and let it run
W: blockedwake: 1: 0
C: lockcont: 1: 0
W: locked: 1: 0
C: unlock: 1: 0
W: unlocked: 1: 0

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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 3 threads 2 lock PI
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedother: 1: 0
C: schedfifo: 2: 82
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L0
C: locknowait: 1: 0
W: blocked: 1: 0
T: priolt: 0: 1
# T2 lock L0
C: locknowait: 2: 0
W: blocked: 2: 0
T: prioeq: 0: 82
# T0 unlock L0
C: unlock: 0: 0
# Wait until T2 got the lock
W: locked: 2: 0
W: unlocked: 0: 0
T: priolt: 0: 1
# T2 unlock L0
C: unlock: 2: 0
W: unlocked: 2: 0
W: locked: 1: 0
C: unlock: 1: 0
W: unlocked: 1: 0

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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 4 threads 2 lock PI
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedother: 1: 0
C: schedfifo: 2: 82
C: schedfifo: 3: 83
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L1
C: locknowait: 1: 1
W: locked: 1: 1
# T3 lock L0
C: lockintnowait: 3: 0
W: blocked: 3: 0
T: prioeq: 0: 83
# T0 lock L1
C: lock: 0: 1
W: blocked: 0: 1
T: prioeq: 1: 83
# T1 unlock L1
C: unlock: 1: 1
# Wait until T0 is in the wakeup code
W: blockedwake: 0: 1
# Verify that T1 is unboosted
W: unlocked: 1: 1
T: priolt: 1: 1
# T2 lock L1 (T0 is boosted and pending owner !)
C: locknowait: 2: 1
W: blocked: 2: 1
T: prioeq: 0: 83
# Interrupt T3 and wait until T3 returned
C: signal: 3: 0
W: unlocked: 3: 0
# Verify prio of T0 (still pending owner,
# but T2 is enqueued due to the previous boost by T3
T: prioeq: 0: 82
# Let T0 continue
C: lockcont: 0: 1
W: locked: 0: 1
# Unlock L1 and let T2 get L1
C: unlock: 0: 1
W: locked: 2: 1
# Verify that T0 is unboosted
W: unlocked: 0: 1
T: priolt: 0: 1
# Unlock everything and exit
C: unlock: 2: 1
W: unlocked: 2: 1
C: unlock: 0: 0
W: unlocked: 0: 0

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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 5 threads 4 lock PI - modify priority of blocked threads
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedfifo: 1: 81
C: schedfifo: 2: 82
C: schedfifo: 3: 83
C: schedfifo: 4: 84
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L1
C: locknowait: 1: 1
W: locked: 1: 1
# T1 lock L0
C: lockintnowait: 1: 0
W: blocked: 1: 0
T: prioeq: 0: 81
# T2 lock L2
C: locknowait: 2: 2
W: locked: 2: 2
# T2 lock L1
C: lockintnowait: 2: 1
W: blocked: 2: 1
T: prioeq: 0: 82
T: prioeq: 1: 82
# T3 lock L3
C: locknowait: 3: 3
W: locked: 3: 3
# T3 lock L2
C: lockintnowait: 3: 2
W: blocked: 3: 2
T: prioeq: 0: 83
T: prioeq: 1: 83
T: prioeq: 2: 83
# T4 lock L3
C: lockintnowait: 4: 3
W: blocked: 4: 3
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
# Reduce prio of T4
C: schedfifo: 4: 80
T: prioeq: 0: 83
T: prioeq: 1: 83
T: prioeq: 2: 83
T: prioeq: 3: 83
T: prioeq: 4: 80
# Increase prio of T4
C: schedfifo: 4: 84
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
T: prioeq: 4: 84
# Reduce prio of T3
C: schedfifo: 3: 80
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
T: prioeq: 4: 84
# Increase prio of T3
C: schedfifo: 3: 85
T: prioeq: 0: 85
T: prioeq: 1: 85
T: prioeq: 2: 85
T: prioeq: 3: 85
T: prioeq: 4: 84
# Reduce prio of T3
C: schedfifo: 3: 83
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
T: prioeq: 4: 84
# Signal T4
C: signal: 4: 0
W: unlocked: 4: 3
T: prioeq: 0: 83
T: prioeq: 1: 83
T: prioeq: 2: 83
T: prioeq: 3: 83
# Signal T3
C: signal: 3: 0
W: unlocked: 3: 2
T: prioeq: 0: 82
T: prioeq: 1: 82
T: prioeq: 2: 82
# Signal T2
C: signal: 2: 0
W: unlocked: 2: 1
T: prioeq: 0: 81
T: prioeq: 1: 81
# Signal T1
C: signal: 1: 0
W: unlocked: 1: 0
T: priolt: 0: 1
# Unlock and exit
C: unlock: 3: 3
C: unlock: 2: 2
C: unlock: 1: 1
C: unlock: 0: 0
W: unlocked: 3: 3
W: unlocked: 2: 2
W: unlocked: 1: 1
W: unlocked: 0: 0

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#
# rt-mutex test
#
# Op: C(ommand)/T(est)/W(ait)
# | opcode
# | | threadid: 0-7
# | | | opcode argument
# | | | |
# C: lock: 0: 0
#
# Commands
#
# opcode opcode argument
# schedother nice value
# schedfifo priority
# lock lock nr (0-7)
# locknowait lock nr (0-7)
# lockint lock nr (0-7)
# lockintnowait lock nr (0-7)
# lockcont lock nr (0-7)
# unlock lock nr (0-7)
# signal thread to signal (0-7)
# reset 0
# resetevent 0
#
# Tests / Wait
#
# opcode opcode argument
#
# prioeq priority
# priolt priority
# priogt priority
# nprioeq normal priority
# npriolt normal priority
# npriogt normal priority
# locked lock nr (0-7)
# blocked lock nr (0-7)
# blockedwake lock nr (0-7)
# unlocked lock nr (0-7)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 5 threads 4 lock PI
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedfifo: 1: 81
C: schedfifo: 2: 82
C: schedfifo: 3: 83
C: schedfifo: 4: 84
# T0 lock L0
C: locknowait: 0: 0
W: locked: 0: 0
# T1 lock L1
C: locknowait: 1: 1
W: locked: 1: 1
# T1 lock L0
C: lockintnowait: 1: 0
W: blocked: 1: 0
T: prioeq: 0: 81
# T2 lock L2
C: locknowait: 2: 2
W: locked: 2: 2
# T2 lock L1
C: lockintnowait: 2: 1
W: blocked: 2: 1
T: prioeq: 0: 82
T: prioeq: 1: 82
# T3 lock L3
C: locknowait: 3: 3
W: locked: 3: 3
# T3 lock L2
C: lockintnowait: 3: 2
W: blocked: 3: 2
T: prioeq: 0: 83
T: prioeq: 1: 83
T: prioeq: 2: 83
# T4 lock L3
C: lockintnowait: 4: 3
W: blocked: 4: 3
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
# Signal T4
C: signal: 4: 0
W: unlocked: 4: 3
T: prioeq: 0: 83
T: prioeq: 1: 83
T: prioeq: 2: 83
T: prioeq: 3: 83
# Signal T3
C: signal: 3: 0
W: unlocked: 3: 2
T: prioeq: 0: 82
T: prioeq: 1: 82
T: prioeq: 2: 82
# Signal T2
C: signal: 2: 0
W: unlocked: 2: 1
T: prioeq: 0: 81
T: prioeq: 1: 81
# Signal T1
C: signal: 1: 0
W: unlocked: 1: 0
T: priolt: 0: 1
# Unlock and exit
C: unlock: 3: 3
C: unlock: 2: 2
C: unlock: 1: 1
C: unlock: 0: 0
W: unlocked: 3: 3
W: unlocked: 2: 2
W: unlocked: 1: 1
W: unlocked: 0: 0