# system call counts, by pid # (c) 2010, Tom Zanussi # Licensed under the terms of the GNU GPL License version 2 # # Displays system-wide system call totals, broken down by syscall. # If a [comm] arg is specified, only syscalls called by [comm] are displayed. import os, sys sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') from perf_trace_context import * from Core import * from Util import syscall_name usage = "perf script -s syscall-counts-by-pid.py [comm]\n"; for_comm = None for_pid = None if len(sys.argv) > 2: sys.exit(usage) if len(sys.argv) > 1: try: for_pid = int(sys.argv[1]) except: for_comm = sys.argv[1] syscalls = autodict() def trace_begin(): print "Press control+C to stop and show the summary" def trace_end(): print_syscall_totals() def raw_syscalls__sys_enter(event_name, context, common_cpu, common_secs, common_nsecs, common_pid, common_comm, id, args): if (for_comm and common_comm != for_comm) or \ (for_pid and common_pid != for_pid ): return try: syscalls[common_comm][common_pid][id] += 1 except TypeError: syscalls[common_comm][common_pid][id] = 1 def print_syscall_totals(): if for_comm is not None: print "\nsyscall events for %s:\n\n" % (for_comm), else: print "\nsyscall events by comm/pid:\n\n", print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"), print "%-40s %10s\n" % ("----------------------------------------", \ "----------"), comm_keys = syscalls.keys() for comm in comm_keys: pid_keys = syscalls[comm].keys() for pid in pid_keys: print "\n%s [%d]\n" % (comm, pid), id_keys = syscalls[comm][pid].keys() for id, val in sorted(syscalls[comm][pid].iteritems(), \ key = lambda(k, v): (v, k), reverse = True): print " %-38s %10d\n" % (syscall_name(id), val), e='linux-2.6.29.y'>linux-2.6.29.y Hosts the 0x221E linux distro kernel.Ubuntu

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path: root/mm/page_vma_mapped.c

Age	Commit message (Expand)	Author
2023-06-19	mm: ptep_get() conversion	Ryan Roberts
2023-06-19	mm/page_vma_mapped: pte_offset_map_nolock() not pte_lockptr()	Hugh Dickins
2023-06-19	mm/page_vma_mapped: reformat map_pte() with less indentation	Hugh Dickins
2023-06-19	mm/page_vma_mapped: delete bogosity in page_vma_mapped_walk()	Hugh Dickins
2023-06-19	mm: use pmdp_get_lockless() without surplus barrier()	Hugh Dickins
2023-01-18	mm/hugetlb: introduce hugetlb_walk()	Peter Xu
2022-09-26	mm/swap: add swp_offset_pfn() to fetch PFN from swap entry	Peter Xu
2022-07-17	mm/page_vma_mapped.c: use helper function huge_pte_lock	Miaohe Lin
2022-07-03	mm/page_vma_mapped.c: check possible huge PMD map with transhuge_vma_suitable()	Yang Shi
2022-04-28	mm: pvmw: add support for walking devmap pages	Muchun Song
2022-04-07	mm/rmap: Fix handling of hugetlbfs pages in page_vma_mapped_walk	zhenwei pi
2022-03-21	mm: Convert page_vma_mapped_walk to work on PFNs	Matthew Wilcox (Oracle)
2021-07-01	mm: device exclusive memory access	Alistair Popple
2021-07-01	mm: remove special swap entry functions	Alistair Popple
2021-06-24	mm/thp: another PVMW_SYNC fix in page_vma_mapped_walk()	Hugh Dickins
2021-06-24	mm/thp: fix page_vma_mapped_walk() if THP mapped by ptes	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): get vma_address_end() earlier	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): use goto instead of while (1)	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): add a level of indentation	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): crossing page table boundary	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): prettify PVMW_MIGRATION block	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): use pmde for *pvmw->pmd	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): settle PageHuge on entry	Hugh Dickins
2021-06-24	mm: page_vma_mapped_walk(): use page for pvmw->page	Hugh Dickins
2021-06-16	mm/thp: fix vma_address() if virtual address below file offset	Hugh Dickins
2021-06-16	mm/thp: try_to_unmap() use TTU_SYNC for safe splitting	Hugh Dickins
2021-05-07	mm: fix typos in comments	Lu Jialin
2020-12-15	mm/page_vma_mapped.c: add colon to fix kernel-doc markups error for check_pte	Alex Shi
2020-08-14	mm: replace hpage_nr_pages with thp_nr_pages	Matthew Wilcox (Oracle)
2020-08-14	mm: add thp_size	Matthew Wilcox (Oracle)
2020-01-31	mm/page_vma_mapped.c: explicitly compare pfn for normal, hugetlbfs and THP page	Li Xinhai
2019-09-24	mm: introduce page_size()	Matthew Wilcox (Oracle)
2018-10-31	mm/rmap: map_pte() was not handling private ZONE_DEVICE page properly	Ralph Campbell