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| author | Santosh Shukla <santosh.shukla@linaro.org> | 2014-08-19 21:53:00 +0530 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2014-08-20 14:21:00 +0530 |
| commit | 79127ad5e22376f4d6e6a1c9e33fce5a2b3e2e0d (patch) | |
| tree | 66d56905e63a8513c809c60ffc51078a72ff4e3c /common | |
| parent | e71038268a122472a6e7650e889df18a75cfcb68 (diff) | |
is-cpu-isolated.sh: broken x86 quirk switch in getopts
In case of x86 - spurious IPI lead to break isolation so mask them in script
for temporary period. Only applicable for x86 HW. FIXME(TODO).
Added -q switch to enable quirk for x86 isolation test.
run this command -
./is-cpu-isolated.sh -q
Change-Id: If3aa73755cd9f9a4c39debb99c70ed679dcbb40d
Signed-off-by: Santosh Shukla <santosh.shukla@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Not-Tested-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'common')
| -rwxr-xr-x | common/scripts/is-cpu-isolated.sh | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/common/scripts/is-cpu-isolated.sh b/common/scripts/is-cpu-isolated.sh index 3122c71..46a8095 100755 --- a/common/scripts/is-cpu-isolated.sh +++ b/common/scripts/is-cpu-isolated.sh @@ -25,6 +25,8 @@ DEBUG_SCRIPT=1 # Print debug messages, set 0 if not required TASK="stress" # Single threaded task to Run on Isolated CPUs FUNC="all" # Perform complete isolation test by default SCRIPT_VERSION=1.0 # To track release version +FILE="cat /proc/interrupts" # File to monitor for isolation +QUIRKS="" # IPI mask variable for known x86 IPI quirk, default 'null' RESULT="PASS" # Variables to keep an eye on total interrupt counts @@ -98,6 +100,7 @@ update_non_isol_cpus() { # - one CPU, pass cpu number as parameter # - all CPUs, pass "ALL" as parameter total_interrupts() { + (([ $QUIRKS ] && $FILE | egrep -v $QUIRKS) || $FILE) | awk -v isolate_cpu="$1" ' BEGIN { line=0; @@ -136,7 +139,7 @@ total_interrupts() { } # File to process -' /proc/interrupts +' } # Create per-cpu data plane cpuset @@ -434,7 +437,7 @@ clear_cpusets() { # Execution starts from HERE -USAGE="Usage: $0 [-hv] [-ctfsd args] [-c <Comma separated isol cpulist (default cpu1)>] [-t <Task name for isolation (default stress)>] [-f <Function type options - isolate, duration, clear, nonisol_list, all (default all)>] [-s <Number of samples to take (default 1)>] [-d <Min Isolation duration expected in seconds (default 10)>]" +USAGE="Usage: $0 [-hvq] [-ctfsd args] [-h <help>] [-v <script version>] [-q <quirks: X86_IPI>][-c <Comma separated isol cpulist (default cpu1)>] [-t <Task name for isolation (default stress)>] [-f <Function type options: isolate, duration, clear, all (default all)>] [-s <Number of samples to take (default 1)>] [-d <Min Isolation duration expected in seconds (default 10)>]" # Run isolation test for $FUNC run_func() @@ -474,7 +477,7 @@ run_func() # Parse isol arguments parse_arguments() { - while getopts hvc:t:f:s:d: arguments 2>/dev/null + while getopts hvc:t:f:s:d:q: arguments 2>/dev/null do case $arguments in h) # --help @@ -508,6 +511,18 @@ parse_arguments() MIN_ISOLATION=$OPTARG ;; + q) # --quirk + # Known Quirks: + # - X86_IPI: Spurious IPI's break isolation + + if [ $OPTARG = X86_IPI ]; then + QUIRKS="interrupts|RTR|TLB|MCE|MCP|ERR|MIS" + isdebug echo "Enabled Quriks: $OPTARG" + else + echo "Invalid Quirk passed. Valid options: X86_IPI" + fi + ;; + \?) # getopts issues an error message echo "$USAGE " exit 1 |