diff options
Diffstat (limited to 'meta/recipes-devtools/valgrind/valgrind/0001-Fix-nlcontrolc.vgtest-hanging-on-newer-glibc-and-or-.patch')
| -rw-r--r-- | meta/recipes-devtools/valgrind/valgrind/0001-Fix-nlcontrolc.vgtest-hanging-on-newer-glibc-and-or-.patch | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/meta/recipes-devtools/valgrind/valgrind/0001-Fix-nlcontrolc.vgtest-hanging-on-newer-glibc-and-or-.patch b/meta/recipes-devtools/valgrind/valgrind/0001-Fix-nlcontrolc.vgtest-hanging-on-newer-glibc-and-or-.patch deleted file mode 100644 index 98cbcd132c..0000000000 --- a/meta/recipes-devtools/valgrind/valgrind/0001-Fix-nlcontrolc.vgtest-hanging-on-newer-glibc-and-or-.patch +++ /dev/null @@ -1,200 +0,0 @@ -From 83c24e31df6932a6d4fced179050c6d8d8c6f3b5 Mon Sep 17 00:00:00 2001 -From: Philippe Waroquiers <philippe.waroquiers@skynet.be> -Date: Sun, 7 Mar 2021 22:29:27 +0100 -Subject: [PATCH] Fix nlcontrolc.vgtest hanging on newer glibc and/or arm64 - -This test verifies that GDB can interrupt a process with all threads -blocked in a long select syscall. -The test used to terminate by having GDB modifying the select argument. -However, modifying the select argument works only for specific arch -and/or specific versions of glibc. -The test then blocks on other architectures/glibc versions. - -The previous version of the test was: - * first launching sleepers so as to have all threads blocked in long select - * interrupting these threads - * changing the select time arg so that the threads burn cpu - * and then change variables to have the program exit. - -The new version does: - * first launches sleepers so that all threads are burning cpu. - * interrupting these threads - * change the local variables of sleepers so that the threads will - block in a long select syscall - * interrupt these threads - * kill the program. - -With this new version, we still check the behaviour of gdb+vgdbserver -for both burning and sleep threads, but without having the termination -depending on modifying select syscall argument. - -Tested on debian amd64 and on ubuntu arm64 (to check the test does not hang -on an arm64 platform). - -Upstream-Status: Backport - -From commit on master: -c79180a3afcf65902e578646c3b716cc749db406 - -Signed-off-by: Yi Fan Yu <yifan.yu@windriver.com> ---- - gdbserver_tests/nlcontrolc.stderr.exp | 4 +- - gdbserver_tests/nlcontrolc.stdinB.gdb | 57 +++++++++++++++----------- - gdbserver_tests/nlcontrolc.stdoutB.exp | 25 ++++++----- - gdbserver_tests/nlcontrolc.vgtest | 12 +++--- - 4 files changed, 56 insertions(+), 42 deletions(-) - -diff --git a/gdbserver_tests/nlcontrolc.stderr.exp b/gdbserver_tests/nlcontrolc.stderr.exp -index ac75bb3da..b63a9a988 100644 ---- a/gdbserver_tests/nlcontrolc.stderr.exp -+++ b/gdbserver_tests/nlcontrolc.stderr.exp -@@ -3,9 +3,9 @@ Nulgrind, the minimal Valgrind tool - (action at startup) vgdb me ... - - --loops/sleep_ms/burn/threads_spec/affinity: 1000000000 1000000000 1000000000 BSBSBSBS 1 -+loops/sleep_ms/burn/threads_spec/affinity: 1000000000 0 100000 BSBSBSBS 1 - Brussels ready to sleep and/or burn - London ready to sleep and/or burn - Petaouchnok ready to sleep and/or burn - main ready to sleep and/or burn -- -+Gdb request to kill this process -diff --git a/gdbserver_tests/nlcontrolc.stdinB.gdb b/gdbserver_tests/nlcontrolc.stdinB.gdb -index 667ece18d..ea4fcd530 100644 ---- a/gdbserver_tests/nlcontrolc.stdinB.gdb -+++ b/gdbserver_tests/nlcontrolc.stdinB.gdb -@@ -9,32 +9,43 @@ shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlcontrolc 1 grep main nl - # - continue - # --# Here, all tasks should be blocked in a loooonnnng select, all in WaitSys --info threads --# We will unblock them by changing their timeout argument --# To avoid going into the frame where the timeval arg is, --# it has been defined as global variables, as the nr --# of calls on the stack differs between 32bits and 64bits, --# and/or between OS. --# ensure select finishes in a few milliseconds max: --p t[0].tv_sec = 0 --p t[1].tv_sec = 0 --p t[2].tv_sec = 0 --p t[3].tv_sec = 0 --# --# We will change the burning parameters in a few seconds -+# Threads are burning cpu now -+# We would like to fully test info threads here, but which thread are Runnable -+# or Yielding is unpredictable. With a recent enough gdb, check the nr of -+# threads by state using pipe commands and grep/wc. -+init-if-undefined $_gdb_major = 0 -+init-if-undefined $_gdb_minor = 0 -+if $_gdb_major >= 9 -+ | info threads | grep VgTs_Runnable | wc -l -+ | info threads | grep VgTs_Yielding | wc -l -+else -+ echo 1\n -+ echo 3\n -+end -+# We change the variables so that all the threads are blocked in a syscall -+p burn = 0 -+p sleepms = 1000000 -+# -+# - shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlcontrolc 1 grep changed nlcontrolc.stdoutB.out - # --echo changed burning parameters\n -+echo changed burning parameters to sleeping parameters\n - continue -+# Here, all tasks should be blocked in a loooonnnng select, all in WaitSys -+info threads -+# We reset the sleepms to 0. The threads should still be blocked in the syscall -+p sleepms = 0 -+shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlcontrolc 1 grep reset nlcontrolc.stdoutB.out - # --# Threads are burning cpu now --# We would like to test info threads here, but which thread are Runnable or Yielding --# is unpredictable. --# info threads --p burn = 0 --p loops = 0 --p report_finished = 0 -+echo reset to sleeping parameters\n - continue --# and the process should stop very quickly now -+# threads should still be blocked in a loooonnnng select, all in WaitSys -+info threads -+if $_gdb_major >= 9 -+ | info threads | grep VgTs_WaitSys | wc -l -+else -+ echo 4\n -+end -+# Make the process die. -+kill - quit -diff --git a/gdbserver_tests/nlcontrolc.stdoutB.exp b/gdbserver_tests/nlcontrolc.stdoutB.exp -index e8a5ff8ba..2e8dc8498 100644 ---- a/gdbserver_tests/nlcontrolc.stdoutB.exp -+++ b/gdbserver_tests/nlcontrolc.stdoutB.exp -@@ -1,18 +1,21 @@ - Continuing. - Program received signal SIGTRAP, Trace/breakpoint trap. -+do_burn () at sleepers.c:41 -+41 for (i = 0; i < burn; i++) loopnr++; -+ > > > > > >1 -+3 -+$1 = 0 -+$2 = 1000000 -+changed burning parameters to sleeping parameters -+Continuing. -+Program received signal SIGTRAP, Trace/breakpoint trap. - 0x........ in syscall ... - * 1 Thread .... (tid 1 VgTs_WaitSys) 0x........ in syscall ... --$1 = 0 --$2 = 0 - $3 = 0 --$4 = 0 --changed burning parameters -+reset to sleeping parameters - Continuing. - Program received signal SIGTRAP, Trace/breakpoint trap. --do_burn () at sleepers.c:41 --41 for (i = 0; i < burn; i++) loopnr++; --$5 = 0 --$6 = 0 --$7 = 0 --Continuing. --Program exited normally. -+0x........ in syscall ... -+* 1 Thread .... (tid 1 VgTs_WaitSys) 0x........ in syscall ... -+ > > > >4 -+Kill the program being debugged? (y or n) [answered Y; input not from terminal] -diff --git a/gdbserver_tests/nlcontrolc.vgtest b/gdbserver_tests/nlcontrolc.vgtest -index bb5308403..09edfcaba 100644 ---- a/gdbserver_tests/nlcontrolc.vgtest -+++ b/gdbserver_tests/nlcontrolc.vgtest -@@ -4,16 +4,16 @@ - # and modify some variables - # the user can control-c an process with all threads in Running/Yielding - # and modify some variables --# sleepers is started with argument so that it will compute during ages. --# The variable modifications means it will exit in a reasonable time. --# This test is disabled on Solaris because modifying select/poll/ppoll timeout --# has no effect if a thread is already blocked in that syscall. -+# sleepers is started so that it burns CPU. -+# We then interrupt the process. -+# We modify variables so that instead of burning cpu, sleepers blocks -+# all threads in a select syscall. - prog: sleepers --args: 1000000000 1000000000 1000000000 BSBSBSBS 1 -+args: 1000000000 0 100000 BSBSBSBS 1 - vgopts: --tool=none --vgdb=yes --vgdb-error=0 --vgdb-prefix=./vgdb-prefix-nlcontrolc - stderr_filter: filter_stderr - # Bug 338633 nlcontrol hangs on arm64 currently. --prereq: test -e gdb -a -f vgdb.invoker && ! ../tests/arch_test arm64 && ! ../tests/os_test solaris -+prereq: test -e gdb -a -f vgdb.invoker && ! ../tests/os_test solaris - progB: gdb - argsB: --quiet -l 60 --nx ./sleepers - stdinB: nlcontrolc.stdinB.gdb --- -2.29.2 - |