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How to use set_thp_value method in avocado

Best Python code snippet using avocado_python

transparent_hugepages_defrag.py

Source:transparent_hugepages_defrag.py

...62        Once the memory gets fragmented turns on the defrag and checks63        whether defrag happened.64        '''65        # Enables THP66        memory.set_thp_value("enabled", "always")67        # Turns off Defrag68        memory.set_thp_value("khugepaged/defrag", "0")69        # Fragments The memory70        self.log.info("Fragmenting the memory Using dd command \n")71        for iterator in range(self.count):72            defrag_cmd = 'dd if=/dev/urandom of=%s/%d bs=%dK count=1'\73                         % (self.mem_path, iterator, self.block_size)74            if(process.system(defrag_cmd, timeout=900,75                              verbose=False, ignore_status=True, shell=True)):76                self.fail('Defrag command Failed %s' % defrag_cmd)77        hugepagesize = memory.get_huge_page_size()78        nr_full = int(0.8 * (memory.meminfo.MemTotal.k / hugepagesize))79        # Sets max possible hugepages before defrag on80        nr_hp_before = self.set_max_hugepages(nr_full)81        # Turns Defrag ON82        memory.set_thp_value("khugepaged/defrag", "1")83        self.log.info("Sleeping %d seconds to settle out things", 12)84        time.sleep(12)85        # Sets max hugepages after defrag on86        nr_hp_after = self.set_max_hugepages(nr_full)87        # Check for memory defragmentation88        if nr_hp_before >= nr_hp_after:89            e_msg = "No Memory Defragmentation\n"90            e_msg += "%d hugepages before turning khugepaged on,\n"\91                     "%d After it" % (nr_hp_before, nr_hp_after)92            self.fail(e_msg)93        self.log.info("Defrag test passed")94    @staticmethod95    def set_max_hugepages(nr_full):96        '''97        Tries to set the hugepages to the nr_full value and returns the98        max possible value set.99        '''100        memory.set_num_huge_pages(nr_full)101        return memory.get_num_huge_pages()102    def tearDown(self):103        '''104        Removes files and unmounts the tmpfs.105        '''106        if self.mem_path:107            self.log.info('Cleaning Up!!!')108            memory.set_thp_value("khugepaged/defrag", "0")109            memory.set_num_huge_pages(0)110            self.device.unmount()...

transparent_hugepages_swapping.py

Source:transparent_hugepages_swapping.py

...65        THP is swapped out.66        '''67        # Enables THP68        try:69            memory.set_thp_value("enabled", "always")70        except Exception as details:71            self.fail("Failed  %s" % details)72        for iterator in range(self.count):73            swap_cmd = "dd if=/dev/zero of=%s/%d bs=%sM "\74                       "count=1" % (self.mem_path, iterator,75                                    self.hugepage_size * 2)76            if(process.system(swap_cmd, timeout=self.dd_timeout,77                              verbose=False, ignore_status=True, shell=True)):78                self.fail('Swap command Failed %s' % swap_cmd)79        self.swap_free.append(memory.meminfo.SwapFree.m)80        # Checks Swap is used or not81        if self.swap_free[1] - self.swap_free[0] >= 0:82            self.fail("Swap Space remains untouched")83    def tearDown(self):...

migrate_pages.py

Source:migrate_pages.py

...59                self.cancel('%s is needed for the test to be run' % package)60        # Enable THP61        if self.thp:62            try:63                memory.set_thp_value("enabled", "always")64            except Exception as details:65                self.fail("Failed to enable thp %s" % details)66        for file_name in ['node_move_pages.c', 'Makefile']:67            self.copyutil(file_name)68        build.make(self.teststmpdir)69    def test(self):70        os.chdir(self.teststmpdir)71        cmd = './node_move_pages -n %s' % self.nr_chunks72        if self.hpage:73            cmd += ' -h'74            if self.hpage_commit:75                cmd += ' -o'76        elif self.thp:77            cmd += ' -t'...

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