entry+syscall+64+after+hwframe+0x44+0xa9

2025-05-29 20:47:03

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ubuntu entry_SYSCALL_64_after_hwframe根据“perf record”突然...

ubuntu entry_SYSCALL_64_after_hwframe根据“perf record”突然具有高CPU负载如果我的理解正确的话，我...
ubuntu entry_SYSCALL_64_after_hwframe根据“perf record”突然...

ubuntu entry_SYSCALL_64_after_hwframe根据“perf record”突然具有高CPU负载如果我的理解正确的话，我...
linux/arch/x86/entry/entry_64.S at master · torvalds/linux...

(cpu_tss_rw + TSS_sp2) /* pt_regs->sp */ pushq %r11 /* pt_regs->flags */ pushq $__USER_CS /* pt_regs->cs */ pushq %rcx /* pt_regs->ip */ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL) pushq %rax /* pt_regs->orig_ax */ PUSH_AND_CLEAR_REGS rax...
Massive iteration in find_get_entry() causes huge number of...

+0x3e/0xb0 [xfs] [49754.048863] xfs_file_read_iter+0x6e/0xe0 [xfs] [49754.048916] new_sync_read+0x10f/0x160 [49754.048920] vfs_read+0x91/0x150 [49754.048923] ksys_read+0x4f/0xb0 [49754.048925] do_syscall_64+0x5b/0x1b0 [49754.048929] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ....
A null-dereference crash occurred upon calling find_entry...

[4816637.612864] entry_SYSCALL_64_after_hwframe+0x65/0xca [4816637.612867] RIP: 0033:0x7fa603bcbc0b [4816637.612870] Code: 73 01 c3 48 8b 0d 7d f2 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d...