Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\gcov\fs.c Create Date:2022-07-28 11:31:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Associate a profiling data set with an existing node. Needs to be called* with node_lock held.

Proto:static void add_info(struct gcov_node *node, struct gcov_info *info)

Type:void

Parameter:

TypeParameterName
struct gcov_node *node
struct gcov_info *info
617  num = num_loaded
624  loaded_info = kcalloc - allocate memory for an array. The memory is set to zero.*@n: number of elements.*@size: element size.*@flags: the type of memory to allocate (see kmalloc).
625  If Not loaded_info Then
626  pr_warn("could not add '%s' (out of memory)\n", Interface to access gcov_info data )
628  Return
630  No 3D Now!(loaded_info, loaded_info, num * size of * )
632  loaded_info[num] = info
634  If num == 0 Then
639  If Not gcov_info_is_compatible(unloaded_info, info) Then
640  pr_warn("discarding saved data for %s (incompatible version)\n", Interface to access gcov_info data )
643  gcov_info_free(unloaded_info)
644  unloaded_info = NULL
646  Else
651  If Not gcov_info_is_compatible(loaded_info[0], info) Then
652  pr_warn("could not add '%s' (incompatible version)\n", Interface to access gcov_info data )
654  kfree(loaded_info)
655  Return
659  kfree(loaded_info)
660  loaded_info = loaded_info
661  num_loaded = num + 1
Caller
NameDescribe
gcov_eventCallback to create/remove profiling files when code compiled with* -fprofile-arcs is loaded/unloaded.