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Searched refs:kcore (Results 1 – 16 of 16) sorted by relevance

/linux-6.15/tools/perf/util/
H A Dsymbol-elf.c2063 struct kcore { struct
2078 kcore->elf = elf_begin(kcore->fd, ELF_C_READ, NULL); in kcore__open()
2079 if (!kcore->elf) in kcore__open()
2082 kcore->elfclass = gelf_getclass(kcore->elf); in kcore__open()
2086 ehdr = gelf_getehdr(kcore->elf, &kcore->ehdr); in kcore__open()
2111 kcore->elf = elf_begin(kcore->fd, ELF_C_WRITE, NULL); in kcore__init()
2112 if (!kcore->elf) in kcore__init()
2130 static void kcore__close(struct kcore *kcore) in kcore__close() argument
2192 static off_t kcore__write(struct kcore *kcore) in kcore__write() argument
2637 struct kcore kcore; in kcore_copy() local
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H A Drecord.h52 bool kcore; member
/linux-6.15/tools/perf/Documentation/
H A Dperf.data-directory-format.txt31 the --kcore option which puts a copy of /proc/kcore into the directory.
34 $ sudo perf record --kcore uname
43 ├── [-r-------- 40230912] kcore
53 Using perf.data/kcore_dir/kcore for kernel data
H A Dperf-buildid-cache.txt31 --kcore::
32 Add specified kcore file to the cache. For the current host that is
33 /proc/kcore which requires root permissions to read. Be aware that
39 permissions for root only. kcore will not be added if there is already a
40 kcore in the cache (with the same build-id) that has the same modules at
41 the same addresses. Use the -v option to see if a copy of kcore is
H A Dperf-intel-pt.txt70 code. A fairly good kernel image is available in /proc/kcore but to get an
71 accurate image a copy of /proc/kcore needs to be made under the same conditions
72 as the data capture. 'perf record' can make a copy of /proc/kcore if the option
73 --kcore is used, but access to /proc/kcore is restricted e.g.
75 sudo perf record -o pt_ls --kcore -e intel_pt// -- ls
1338 Copy the guest /proc/kallsyms, /proc/modules and /proc/kcore
1340 $ perf buildid-cache -v --kcore vm0/proc/kcore
1341 …kcore added to build-id cache directory /home/user/.debug/[kernel.kcore]/9600f316a53a0f54278885e8d…
1402 Copy the guest /proc/kallsyms, /proc/modules and /proc/kcore
1404 $ perf buildid-cache -v --kcore vm0/proc/kcore
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H A Dperf-record.txt709 --kcore::
710 Make a copy of /proc/kcore and place it into a directory with the perf data file.
H A Dperf-config.txt233 and /proc/kcore files to be used at analysis time.
/linux-6.15/tools/perf/tests/shell/
H A Dtest_arm_coresight_disasm.sh45 if [ -e /proc/kcore ]; then
47 perf record -o ${perfdata} -e cs_etm//k --kcore -- touch $file > /dev/null 2>&1
/linux-6.15/fs/proc/
H A DMakefile32 proc-$(CONFIG_PROC_KCORE) += kcore.o
H A DKconfig33 bool "/proc/kcore support" if !ARM
/linux-6.15/tools/perf/
H A Dbuiltin-record.c993 char kcore[PATH_MAX]; in record__kcore_readable() local
996 scnprintf(kcore, sizeof(kcore), "%s/proc/kcore", machine->root_dir); in record__kcore_readable()
998 fd = open(kcore, O_RDONLY); in record__kcore_readable()
2451 if (rec->opts.kcore && in __cmd_record()
2500 if (rec->opts.kcore) { in __cmd_record()
3462 OPT_BOOLEAN(0, "kcore", &record.opts.kcore, "copy /proc/kcore"),
4066 if (rec->opts.kcore) in cmd_record()
4069 if (rec->opts.kcore || record__threads_enabled(rec)) in cmd_record()
/linux-6.15/Documentation/bpf/
H A Ddrgn.rst9 Instead it's reading directly from ``/proc/kcore`` or vmcore and pretty prints
/linux-6.15/Documentation/admin-guide/
H A Ddevices.rst94 /dev/core /proc/kcore symbolic Backward compatibility
H A Ddevices.txt7 2 = /dev/kmem OBSOLETE - replaced by /proc/kcore
11 6 = /dev/core OBSOLETE - replaced by /proc/kcore
/linux-6.15/Documentation/filesystems/
H A Dproc.rst759 kcore Kernel core image (can be ELF or A.OUT(deprecated in 2.4))
/linux-6.15/
H A DMAINTAINERS12820 F: fs/proc/kcore.c
12821 F: include/linux/kcore.h