如何找到建立匿名私有記憶體映射區域的程式碼部分

如何找到建立匿名私有記憶體映射區域的程式碼部分

我正在分析/proc/pid/smapsC++ 進程的輸出,發現大量私有記憶體映射區域。記憶體映射區域的數量根據流量不斷增長。

有沒有辦法可以追蹤程式碼的哪一部分創建了記憶體塊?我嘗試過strace -p <pid>,但在創建堆疊時無法存取堆疊。

00-7fcea0000000 rw-p 00000000 00:00 0
Size:              65536 kB
Rss:               65520 kB
Pss:               65520 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:     65520 kB
Referenced:        65520 kB
Anonymous:         65520 kB
AnonHugePages:         0 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
Locked:                0 kB
VmFlags: rd wr mr mw me nr sd
7fcea4000000-7fcea8000000 rw-p 00000000 00:00 0
Size:              65536 kB
Rss:               65516 kB
Pss:               65516 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:     65516 kB
Referenced:        65516 kB
Anonymous:         65516 kB
AnonHugePages:         0 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
Locked:                0 kB
VmFlags: rd wr mr mw me nr sd
7fceac000000-7fceb0000000 rw-p 00000000 00:00 0
Size:              65536 kB
Rss:               65524 kB
Pss:               65524 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:     65524 kB
Referenced:        65524 kB
Anonymous:         65524 kB
AnonHugePages:         0 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
Locked:                0 kB
                                                                                                                                                                                          7fceb4000000-7fceb8000000 rw-p 00000000 00:00 0
Size:              65536 kB
Rss:               65528 kB
Pss:               65528 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:     65528 kB
Referenced:        65528 kB
Anonymous:         65528 kB
AnonHugePages:         0 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
Locked:                0 kB
VmFlags: rd wr mr mw me nr sd
7fcebc000000-7fcec0000000 rw-p 00000000 00:00 0
Size:              65536 kB
Rss:               65516 kB
Pss:               65516 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:     65516 kB
Referenced:        65516 kB
Anonymous:         65516 kB
AnonHugePages:         0 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
Locked:                0 kB
VmFlags: rd wr mr mw me nr sd
7fcec4000000-7fcec8000000 rw-p 00000000 00:00 0
Size:              65536 kB
Rss:               65504 kB
Pss:               65504 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:     65504 kB
Referenced:        65504 kB
Anonymous:         65504 kB
AnonHugePages:         0 kB
Swap:                  0 kB
                                                                                                                                                                                          332,20         2%

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