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License: Apache License 2.0
papi performance counters for mesos and cloud applications
License: Apache License 2.0
cloud-papi this project implements a Mesos Executor that adds papi (performance counter) support to Python, JVM, R, Ruby, and C/C++ applications running on a Mesos cluster/cloud. the implementation uses a fork-exec technique to attach the papi library to the user's process in order to collect performance counter data for python, jvm, r, ruby users, each system's runtime (interpreter or virtual machine) is embedded into the executor - this was a requirement in order to collect accurate performance counter data using papi's 3rd party, process attachment feature set papi only supports collection of two counters worth of data data is stored using google's log library users will be able to run the papi mesos executor by adding a label to a task called 'PAPI' and then add a space delimited string which enumerates up to 2 papi performance counters to enable. cloudpapi.cpp, line 239 provides an enumerative listing of available performance counters. ----- container users won't necessarily be able to use the MesosExecutor. papi will only work when it's attached to the interpreter's runtime executing the interpreted program. to that end, embedded versions of python, jvm, r, and ruby have been integrated with papi's third party attach capabilities. containers desiring papi support will need to add a papi-enabled version of their respective interpreter to the container. ----- Users will need to modify the project Makefile in order to compile the codes. The following Makefile variables will need to be modified. * MESOS_HOME = path to the mesos source tree * RTSUPPORT = used to select which interpreter(s) support to enable ----- dependencies * PAPI http://icl.cs.utk.edu/papi/ * Python, R, Ruby, Jvm and their respective dependencies
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