malloc: allocate a block of memory, the contents of the block are undefined.
calloc: allocate a block of memory for an array of num elements and initializes all its bits to zero.
Signed-off-by: yechunliang <yechunliangcn@163.com>
The acrnctl can help user to create, delete, launch and stop UOSs,
To see what it can do, just run:
# acrnctl
or
# acrnctl help
you may see:
support:
list
start
stop
del
add
Use acrnctl [cmd] help for details
There are examples:
(1) add a VM
Each time you can just add one VM. Suppose you have an UOS
launch script, such as launch_UOS.sh
you can run:
# acrnctl add launch_UOS.sh -U 1
vm1-14:59:30 added
Note that, launch script shoud be able to launch ONE UOS. If
it fail, it is better to print some error logs, to tell user
the reason, so that he knows how to solve it.
The vmname is important, the acrnctl searchs VMs by their
names. so duplicated VM names are not allowed. Beside, if the
launch script changes VM name at launch time, acrnctl will
not recgonize it.
(2) delete VMs
# acrnctl del vm1-14:59:30
(3) show VMs
# acrnctl list
vm1-14:59:30 untracked
vm-yocto stop
vm-android stop
(4) start VM
you can start a vm with 'stop' status, each time can start
one VM.
# acrnctl start vm-yocto
(5) stop VM
you can stop VMs, if their status is not 'stop'
# acrnctl stop vm-yocto vm1-14:59:30 vm-android
Acked-by: Eddie Dong <eddie.dong@intel.com>
Reviewed-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>
Reviewed-by: Zhao, Yakui <yakui.zhao@intel.com>
Signed-off-by: Tao, Yuhong <yuhong.tao@intel.com>
acrnlog is an SOS userland tool to capture ACRN hypervisor log
to /tmp/acrnog/. Two kinds of logs would be saved:
- log of current running;
- log of last running if crashed and logs remaining.
[Usage] acrnlog [-s] [size] [-n] [number]
[Options]
-h: print this message
-s: size limitation for each log file, in MB.
0 means no limitation.
-n: how many files you would like to keep on disk
Signed-off-by: Yan, Like <like.yan@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
Script usage:
[Usage] acrnalyze.py [options] [value] ...
[options]
-h: print this message
-i, --ifile=[string]: input file
-o, --ofile=[string]: output file
--vm_exit: to generate vm_exit report
Note: bash and python2 are required.
Example:
Assumed trace data have been copied to /home/xxxx/trace_data/20171115-101605
# acrnalyze.py -i /home/xxxx/trace_data/20171115-101605/0 -o /home/xxxx/trac
e_data/20171115-101605/cpu0 --vm_exit
- "--vm_exit" specify the analysis to do, currently, only vm_exit analysis
is supported.
- A preprocess would be taken out to make the trace data start and end with
an VM_ENTER, and a copy of original data file is saved with suffix ".orig";
- Analysis report would be given on the std output and in a csv file with
name specified via "-o outpu_file";
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Yan, Like <like.yan@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
acrntrace: is an debug tool running on SOS to capture trace data.
Usage:
1) Start tracing
Capture buffered trace data:
# acrntrace
or clear buffer before tracing start:
# acrntrace -c
A folder will be created to save the trace data files are under
/tmp/acrntrace/, named with time string.
Eg: /tmp/acrntrace/20171115-101605
2) Stop tracing
# q <enter>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Yan, Like <like.yan@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
