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Diffstat (limited to 'Documentation/mm/slub.rst')
| -rw-r--r-- | Documentation/mm/slub.rst | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/Documentation/mm/slub.rst b/Documentation/mm/slub.rst index 43063ade737a..4e1578186b4f 100644 --- a/Documentation/mm/slub.rst +++ b/Documentation/mm/slub.rst @@ -400,21 +400,30 @@ information: allocated objects. The output is sorted by frequency of each trace. Information in the output: - Number of objects, allocating function, minimal/average/maximal jiffies since alloc, - pid range of the allocating processes, cpu mask of allocating cpus, and stack trace. + Number of objects, allocating function, possible memory wastage of + kmalloc objects(total/per-object), minimal/average/maximal jiffies + since alloc, pid range of the allocating processes, cpu mask of + allocating cpus, numa node mask of origins of memory, and stack trace. Example::: - 1085 populate_error_injection_list+0x97/0x110 age=166678/166680/166682 pid=1 cpus=1:: - __slab_alloc+0x6d/0x90 - kmem_cache_alloc_trace+0x2eb/0x300 - populate_error_injection_list+0x97/0x110 - init_error_injection+0x1b/0x71 - do_one_initcall+0x5f/0x2d0 - kernel_init_freeable+0x26f/0x2d7 - kernel_init+0xe/0x118 - ret_from_fork+0x22/0x30 - + 338 pci_alloc_dev+0x2c/0xa0 waste=521872/1544 age=290837/291891/293509 pid=1 cpus=106 nodes=0-1 + __kmem_cache_alloc_node+0x11f/0x4e0 + kmalloc_trace+0x26/0xa0 + pci_alloc_dev+0x2c/0xa0 + pci_scan_single_device+0xd2/0x150 + pci_scan_slot+0xf7/0x2d0 + pci_scan_child_bus_extend+0x4e/0x360 + acpi_pci_root_create+0x32e/0x3b0 + pci_acpi_scan_root+0x2b9/0x2d0 + acpi_pci_root_add.cold.11+0x110/0xb0a + acpi_bus_attach+0x262/0x3f0 + device_for_each_child+0xb7/0x110 + acpi_dev_for_each_child+0x77/0xa0 + acpi_bus_attach+0x108/0x3f0 + device_for_each_child+0xb7/0x110 + acpi_dev_for_each_child+0x77/0xa0 + acpi_bus_attach+0x108/0x3f0 2. free_traces:: |