是否有一种工具可以运行命令行并报告峰值RAM使用总量?
我正在想象类似于/usr/bin/time的东西
当前回答
请务必回答这个问题。提供详细信息并分享您的研究!
对不起，我是第一次来这里，只能问问题。
使用建议:
valgrind --tool=massif --pages-as-heap=yes --massif-out-file=massif.out ./test.sh; grep mem_heap_B massif.out | sed -e 's/mem_heap_B=\(.*\)/\1/' | sort -g | tail -n 1
然后:
grep mem_heap_B massif.out
...
mem_heap_B=1150976
mem_heap_B=1150976
...
这与顶部命令在相同时刻所显示的非常不同:
14673 gu27mox 20 0 3280404 468380 19176 R 100.0 2.9 6:08.84 pwanew_3pic_com
Valgrind的测量单位是什么??
/usr/bin/time -v ./test.sh从来没有回答-你必须直接将可执行文件提供给/usr/bin/time:
/usr/bin/time -v pwanew_3pic_compass_2008florian3_dfunc.static card_0.100-0.141_31212_resubmit1.dat_1.140_1.180 1.140 1.180 31212
Command being timed: "pwanew_3pic_compass_2008florian3_dfunc.static card_0.100-0.141_31212_resubmit1.dat_1.140_1.180 1.140 1.180 31212"
User time (seconds): 1468.44
System time (seconds): 7.37
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 24:37.14
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 574844
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 74
Minor (reclaiming a frame) page faults: 468880
Voluntary context switches: 1190
Involuntary context switches: 20534
Swaps: 0
File system inputs: 81128
File system outputs: 1264
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 0
其他回答
使用Massif: http://valgrind.org/docs/manual/ms-manual.html
也许(gnu) time(1)已经做了您想要的。例如:
$ /usr/bin/time -f "%P %M" command
43% 821248
但其他分析工具可能会根据您正在寻找的内容提供更准确的结果。
Valgrind一行程序:
Valgrind——tool=massif——pages-as-heap=yes——massif-out-file=massif。出去。/ test.sh;grep mem_heap_B massif。出| sed - e ' s / mem_heap_B = \(. * \) / \ 1 /“| - g | tail - n 1
注意使用——pages-as-heap来测量进程中的所有内存。更多信息请访问:http://valgrind.org/docs/manual/ms-manual.html
这将大大降低您的命令速度。
请务必回答这个问题。提供详细信息并分享您的研究!
对不起，我是第一次来这里，只能问问题。
使用建议:
valgrind --tool=massif --pages-as-heap=yes --massif-out-file=massif.out ./test.sh; grep mem_heap_B massif.out | sed -e 's/mem_heap_B=\(.*\)/\1/' | sort -g | tail -n 1
然后:
grep mem_heap_B massif.out
...
mem_heap_B=1150976
mem_heap_B=1150976
...
这与顶部命令在相同时刻所显示的非常不同:
14673 gu27mox 20 0 3280404 468380 19176 R 100.0 2.9 6:08.84 pwanew_3pic_com
Valgrind的测量单位是什么??
/usr/bin/time -v ./test.sh从来没有回答-你必须直接将可执行文件提供给/usr/bin/time:
/usr/bin/time -v pwanew_3pic_compass_2008florian3_dfunc.static card_0.100-0.141_31212_resubmit1.dat_1.140_1.180 1.140 1.180 31212
Command being timed: "pwanew_3pic_compass_2008florian3_dfunc.static card_0.100-0.141_31212_resubmit1.dat_1.140_1.180 1.140 1.180 31212"
User time (seconds): 1468.44
System time (seconds): 7.37
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 24:37.14
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 574844
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 74
Minor (reclaiming a frame) page faults: 468880
Voluntary context switches: 1190
Involuntary context switches: 20534
Swaps: 0
File system inputs: 81128
File system outputs: 1264
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 0
在macOS上，可以改用DTrace。“Instruments”应用是一个很好的GUI，它带有XCode afaik。
