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

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Pull RCU updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Miscellaneous fixes, cleanups, restructuring.

   - RCU torture-test updates"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rcu: Export rcu_gp_is_normal()
  rcu: Remove rcu_user_hooks_switch
  rcu: Catch up rcu_report_qs_rdp() comment with reality
  rcu: Document unique-name limitation for DEFINE_STATIC_SRCU()
  rcu: Make rcu/tiny_plugin.h explicitly non-modular
  irq: Privatize irq_common_data::state_use_accessors
  RCU: Privatize rcu_node::lock
  sparse: Add __private to privatize members of structs
  rcu: Remove useless rcu_data_p when !PREEMPT_RCU
  rcutorture: Correct no-expedite console messages
  rcu: Set rdp->gpwrap when CPU is idle
  rcu: Stop treating in-kernel CPU-bound workloads as errors
  rcu: Update rcu_report_qs_rsp() comment
  rcu: Assign false instead of 0 for ->core_needs_qs
  rcutorture: Check for self-detected stalls
  rcutorture: Don't keep empty console.log.diags files
  rcutorture: Add checks for rcutorture writer starvation
This commit is contained in:
Linus Torvalds
2016-03-15 11:38:05 -07:00
parent ae465beeff 670191572e
commit 208de21477
13 changed files with 164 additions and 130 deletions
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6
tools/testing/selftests/rcutorture/bin/parse-console.sh
View File

@@ -33,7 +33,7 @@ if grep -Pq '\x00' < $file
then
print_warning Console output contains nul bytes, old qemu still running?
fi
egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|Stall ended before state dump start' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $1.diags
egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $1.diags
if test -s $1.diags
then
print_warning Assertion failure in $file $title
@@ -64,10 +64,12 @@ then
then
summary="$summary lockdep: $n_badness"
fi
n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|Stall ended before state dump start' $1`
n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $1`
if test "$n_stalls" -ne 0
then
summary="$summary Stalls: $n_stalls"
fi
print_warning Summary: $summary
else
rm $1.diags
fi