linux查看线程/进程/调用栈信息-pstack/pstree

本文通过使用pstree、ps及pstack等命令,详细分析了一个名为ad_preprocess的进程及其所启动的多个子线程的情况,展示了如何查看进程树、获取进程详细信息以及追踪线程的具体状态。
部署运行你感兴趣的模型镜像
¥ pstree -p work | grep ad
sshd(22669)---bash(22670)---ad_preprocess(4551)-+-{ad_preprocess}(4552)
                                                |-{ad_preprocess}(4553)
                                                |-{ad_preprocess}(4554)
                                                |-{ad_preprocess}(4555)
                                                |-{ad_preprocess}(4556)
                                                `-{ad_preprocess}(4557)


work为工感化户,-p为显示过程辨认码,ad_preprocess共启动了6个子线程,加上主线程共7个线程

2. ps -Lf

¥ ps -Lf 4551
UID        PID  PPID   LWP  C NLWP STIME TTY      STAT   TIME CMD
work      4551 22670  4551  2    7 16:30 pts/2    Sl+    0:02 ./ad_preprocess
work      4551 22670  4552  0    7 16:30 pts/2    Sl+    0:00 ./ad_preprocess
work      4551 22670  4553  0    7 16:30 pts/2    Sl+    0:00 ./ad_preprocess
work      4551 22670  4554  0    7 16:30 pts/2    Sl+    0:00 ./ad_preprocess
work      4551 22670  4555  0    7 16:30 pts/2    Sl+    0:00 ./ad_preprocess
work      4551 22670  4556  0    7 16:30 pts/2    Sl+    0:00 ./ad_preprocess
work      4551 22670  4557  0    7 16:30 pts/2    Sl+    0:00 ./ad_preprocess

过程共启动了7个线程

3. pstack

pstack显示每个过程的栈跟踪

¥ pstack 4551
Thread 7 (Thread 1084229984 (LWP 4552)):
#0  0 x000000302afc63dc in epoll_wait () /lib64/tls/libc.so.6
#1  0 x00000000006f0730 in ub::EPollEx::poll ()
#2  0 x00000000006f172a in ub::NetReactor::callback ()
#3  0 x00000000006fbbbb in ub::UBTask::CALLBACK ()
#4  0 x000000302b80610a in start_thread () /lib64/tls/libpthread.so.0
#5  0 x000000302afc6003 in clone () /lib64/tls/libc.so.6
#6  0 x0000000000000000 in ?? ()
Thread 6 (Thread 1094719840 (LWP 4553)):
#0  0 x000000302afc63dc in epoll_wait () /lib64/tls/libc.so.6
#1  0 x00000000006f0730 in ub::EPollEx::poll ()
#2  0 x00000000006f172a in ub::NetReactor::callback ()
#3  0 x00000000006fbbbb in ub::UBTask::CALLBACK ()
#4  0 x000000302b80610a in start_thread () /lib64/tls/libpthread.so.0
#5  0 x000000302afc6003 in clone () /lib64/tls/libc.so.6
#6  0 x0000000000000000 in ?? ()
Thread 5 (Thread 1105209696 (LWP 4554)):
#0  0 x000000302b80baa5 in __nanosleep_nocancel ()
#1  0 x000000000079e758 in comcm::ms_sleep ()
#2  0 x00000000006c8581 in ub::UbClientManager::healthyCheck ()
#3  0 x00000000006c8471 in ub::UbClientManager::start_healthy_check ()
#4  0 x000000302b80610a in start_thread () /lib64/tls/libpthread.so.0
#5  0 x000000302afc6003 in clone () /lib64/tls/libc.so.6
#6  0 x0000000000000000 in ?? ()
Thread 4 (Thread 1115699552 (LWP 4555)):
#0  0 x000000302b80baa5 in __nanosleep_nocancel ()
#1  0 x0000000000482b0e in armor::armor_check_thread ()
#2  0 x000000302b80610a in start_thread () /lib64/tls/libpthread.so.0
#3  0 x000000302afc6003 in clone () /lib64/tls/libc.so.6
#4  0 x0000000000000000 in ?? ()
Thread 3 (Thread 1126189408 (LWP 4556)):
#0  0 x000000302af8f1a5 in __nanosleep_nocancel () /lib64/tls/libc.so.6
#1  0 x000000302af8f010 in sleep () /lib64/tls/libc.so.6
#2  0 x000000000044c972 in Business_config_manager::run ()
#3  0 x0000000000457b83 in Thread::run_thread ()
#4  0 x000000302b80610a in start_thread () /lib64/tls/libpthread.so.0
#5  0 x000000302afc6003 in clone () /lib64/tls/libc.so.6
#6  0 x0000000000000000 in ?? ()
Thread 2 (Thread 1136679264 (LWP 4557)):
#0  0 x000000302af8f1a5 in __nanosleep_nocancel () /lib64/tls/libc.so.6
#1  0 x000000302af8f010 in sleep () /lib64/tls/libc.so.6
#2  0 x00000000004524bb in Process_thread::sleep_period ()
#3  0 x0000000000452641 in Process_thread::run ()
#4  0 x0000000000457b83 in Thread::run_thread ()
#5  0 x000000302b80610a in start_thread () /lib64/tls/libpthread.so.0
#6  0 x000000302afc6003 in clone () /lib64/tls/libc.so.6
#7  0 x0000000000000000 in ?? ()
Thread 1 (Thread 182894129792 (LWP 4551)):
#0  0 x000000302af8f1a5 in __nanosleep_nocancel () /lib64/tls/libc.so.6
#1  0 x000000302af8f010 in sleep () /lib64/tls/libc.so.6
#2  0 x0000000000420d79 in Ad_preprocess::run ()
#3  0 x0000000000450ad0 in main ()巴尔扎克


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fi /bin/bash ./../../mkinstalldirs /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/share/gdb/system-gdbinit mkdir -p -- /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/share/gdb/system-gdbinit files='elinos.py wrs-linux.py' ; \ for file in $files; do \ f=./../system-gdbinit/$file ; \ if test -f $f ; then \ /usr/bin/install -c -m 644 $f /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/share/gdb/system-gdbinit ; \ fi ; \ done make[9]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/data-directory' make[8]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/data-directory' make[8]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[9]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[10]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make all-recursive make[11]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[12]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[12]: Nothing to be done for 'all-am'. make[12]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[11]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[10]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[9]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[9]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[10]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[11]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make install-recursive make[12]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[13]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[14]: Entering directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' if test yes = no; then \ case 'linux-gnu' in \ darwin[56]*) \ need_charset_alias=true ;; \ darwin* | cygwin* | mingw* | pw32* | cegcc*) \ need_charset_alias=false ;; \ *) \ need_charset_alias=true ;; \ esac ; \ else \ need_charset_alias=false ; \ fi ; \ if $need_charset_alias; then \ /bin/bash ../.././gnulib/../../mkinstalldirs /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib ; \ fi ; \ if test -f /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.alias; then \ sed -f ref-add.sed /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.alias > /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.tmp ; \ /usr/bin/install -c -m 644 /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.tmp /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.alias ; \ rm -f /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.tmp ; \ else \ if $need_charset_alias; then \ sed -f ref-add.sed charset.alias > /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.tmp ; \ /usr/bin/install -c -m 644 /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.tmp /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.alias ; \ rm -f /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/lib/charset.tmp ; \ fi ; \ fi make[14]: Nothing to be done for 'install-data-am'. make[14]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[13]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[12]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[11]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib/import' make[10]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[9]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[8]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb/build-gnulib' make[7]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb' make[6]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb' make[5]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/gdb' make[4]: Leaving directory '/home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1' touch /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/.built mkdir -p /home/felix/mydisk/enterprise_gateway/bin/cn913x-cn25g-vpp_v1/packages /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/CONTROL /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/pkginfo install -d -m0755 /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/usr/bin /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/usr/sbin/ install -m0755 /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/bin/gdb /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/usr/bin/ install -m0755 ./files/usr/sbin/pstack /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/usr/sbin/ find /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb -name 'CVS' -o -name '.svn' -o -name '.#*' -o -name '*~'| xargs -r rm -rf export CROSS="aarch64-marvell-linux-gnu-" NO_RENAME=1 ; NM="aarch64-marvell-linux-gnu-nm" STRIP="/home/felix/mydisk/enterprise_gateway/staging_dir/host/bin/sstrip" STRIP_KMOD="/home/felix/mydisk/enterprise_gateway/scripts/strip-kmod.sh" /home/felix/mydisk/enterprise_gateway/scripts/rstrip.sh /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb rstrip.sh: /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/usr/bin/gdb:executable ( echo "Package: gdb"; echo "Version: 8.1-1"; DEPENDS=''; for depend in libc zlib libreadline libncurses zlib; do DEPENDS=${DEPENDS:+$DEPENDS, }${depend##+}; done; [ -z "$DEPENDS" ] || echo "Depends: $DEPENDS"; echo "Source: package/devel/gdb"; echo "License: GPL-3.0+"; echo "Section: devel"; echo "Architecture: cn913x"; echo "Installed-Size: 0"; echo -n "Description: "; . /home/felix/mydisk/enterprise_gateway/include/shell.sh; getvar V_Package_gdb_description | sed -e 's,^[[:space:]]*, ,g'; ) > /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/CONTROL/control chmod 644 /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/CONTROL/control . /home/felix/mydisk/enterprise_gateway/include/shell.sh; (cd /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb/CONTROL; ) install -d -m0755 /home/felix/mydisk/enterprise_gateway/bin/cn913x-cn25g-vpp_v1/packages ipkg-build -c -o 0 -g 0 /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb /home/felix/mydisk/enterprise_gateway/bin/cn913x-cn25g-vpp_v1/packages Packaged contents of /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-cn913x/gdb into /home/felix/mydisk/enterprise_gateway/bin/cn913x-cn25g-vpp_v1/packages/gdb_8.1-1_cn913x.ipk rm -rf /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb mkdir -p /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/stamp /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb install -d -m0755 /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb/usr/bin /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb/usr/sbin/ install -m0755 /home/felix/mydisk/enterprise_gateway/build_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/gdb-8.1/ipkg-install/usr/bin/gdb /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb/usr/bin/ install -m0755 ./files/usr/sbin/pstack /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb/usr/sbin/ SHELL= /home/felix/mydisk/enterprise_gateway/staging_dir/host/bin/flock /home/felix/mydisk/enterprise_gateway/tmp/.root-copy.flock -c 'cp -fpR /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb/. /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/' rm -rf /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/tmp-gdb touch /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/root-cn913x/stamp/.gdb_installed if [ -f /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/pkginfo/gdb.default.install.clean ]; then rm -f /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/pkginfo/gdb.default.install /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/pkginfo/gdb.default.install.clean; fi; echo "gdb" >> /home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/pkginfo/gdb.default.install WARNING: skipping gdbserver -- package not selected make[3]: Leaving directory '/home/felix/mydisk/enterprise_gateway/package/devel/gdb' make[2]: Leaving directory '/home/felix/mydisk/enterprise_gateway' package/Makefile:190: recipe for target '/home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/stamp/.package_compile' failed make[1]: *** [/home/felix/mydisk/enterprise_gateway/staging_dir/target-aarch64-marvell-linux-gnu-cn25g-vpp_v1/stamp/.package_compile] Error 2 make[1]: Leaving directory '/home/felix/mydisk/enterprise_gateway' /home/felix/mydisk/enterprise_gateway/include/toplevel.mk:171: recipe for target 'world' failed make: *** [world] Error 2 这个报错怎么解决啊
07-30
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