Purify使用指南
1. 簡(jiǎn)介
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2. 安裝
2.1. 安裝license
2.2. 安裝Purify
3. 使用
3.1. 查看幫助
3.2. 使用步驟 ATTACH
3.3. 查看BUG ATTACH
3.4. 定位BUG在源代碼中的位置 ATTACH
3.5. 查找泄漏的內(nèi)存 ATTACH
3.6. 修改BUG ATTACH
3.7. 隱藏消息 ATTACH
4. 保存/載入結(jié)果
4.1. 保存結(jié)果
4.2. 載入結(jié)果
5. API
6. 命令選項(xiàng)
6.1. Build-time options
6.2. Runtime options
1 簡(jiǎn)介
Purify是IBM開(kāi)發(fā)的，用于定位C、C++代碼中bug和內(nèi)存泄漏位置的自動(dòng)化工具。
Purify的特點(diǎn)有：
Purify會(huì)檢查程序運(yùn)行時(shí)用到的所有代碼，包括程序本身的代碼，操作系統(tǒng)提供的代碼和第三方庫(kù)的代碼。
Purify支持對(duì)多進(jìn)程和對(duì)線程的程序進(jìn)行檢測(cè)。
Purify支持windows，linux和UNIX平臺(tái)。
2 安裝
2.1 安裝license
運(yùn)行腳本license_setup
[cnaps2]:/home/cnaps2/PurifyPlus.7.0.1.0-006>./license_setup
按回車(chē)?yán)^續(xù)
------------------------------------------------------------------------------ License Setup IBM Corporation Version: 2.198 ------------------------------------------------------------------------------ Using License Setup You are running the license_setup command as cnaps2. Output from license_setup will be copied to a log file. When you exit license_setup or license_setup completes, the location of the log file is displayed. The -help option can be used to display license_setup command line options. All of your inputs will be saved for future runs of license_setup. You can enter a q, q! or ? at any prompt: q Will save your inputs and quit license_setup. q! Quit license_setup without saving your inputs. Note that the 'Rational' directory is always saved. ? Get help on the current prompt. Press the Enter key to continue, q to quit license_setup:
按回車(chē)?yán)^續(xù)
Rational PurifyPlus for Linux and UNIX - Enter Install Location Enter the location to install IBM Rational products. This will be referred to as the 'Rational' directory. In 'Rational' directory, license_setup will create a releases directory to keep all of the products by name and version. For example, in 'Rational'/releases, this install will create a 'PurifyPlus.7.0.1.0-006' directory to install Rational PurifyPlus for Linux and UNIX 7.0.1.0-006. The 'Rational' directory must be accessible from every machine where you plan to run these IBM Rational products. The 'Rational' directory path must be identical on each machine. Thus, an automount path like /tmp_mnt/rational should not be used because you cannot access this directory from every machine. Checking for 'Rational' directories.. None found. Press the Enter key to continue, q to quit license_setup:
輸入安裝將要安裝Purify的目錄
Rational PurifyPlus for Linux and UNIX - Enter Install Location Enter the location to install IBM Rational products. This will be referred to as the 'Rational' directory. In 'Rational' directory, license_setup will create a releases directory to keep all of the products by name and version. For example, in 'Rational'/releases, this install will create a 'PurifyPlus.7.0.1.0-006' directory to install Rational PurifyPlus for Linux and UNIX 7.0.1.0-006. The 'Rational' directory must be accessible from every machine where you plan to run these IBM Rational products. The 'Rational' directory path must be identical on each machine. Thus, an automount path like /tmp_mnt/rational should not be used because you cannot access this directory from every machine. Checking for 'Rational' directories.. None found. Press the Enter key to continue, q to quit license_setup: Enter 'Rational' directory: /home/cnaps2
按1接收許可協(xié)議
Initializing AIX JRE to display license agreement... Done. Please ignore the messages related to 'Could not lock System prefs.' It is a known issue with the JRE on AIX. Running LAP Tool: /home/cnaps2/releases/jre142.aix/jre/bin/java -classpath extras/LAP/lib/lapapp.jar:extras/LAP/lib/i18n.jar:/home/cnaps2/sqllib/java/db2java.zip:/home/cnaps2/sqllib/java/sqlj.zip:/home/cnaps2/sqllib/function:/home/cnaps2/sqllib/java/db2jcc_license_cu.jar:/home/cnaps2/sqllib/tools/clpplus.jar:/home/cnaps2/sqllib/tools/antlr-3.2.jar:/home/cnaps2/sqllib/tools/jline-0.9.93.jar:/home/cnaps2/sqllib/java/db2jcc.jar:. com.ibm.lex.lapapp.LAP -l extras/LAP/LA_files -text_only -s /home/cnaps2/releases/PurifyPlus.7.0.1.0-006 ------------------------------------------------------------------------------ 重要信息：請(qǐng)仔細(xì)閱讀 下面提供了兩個(gè)許可協(xié)議。 1. 評(píng)估程序的國(guó)際許可協(xié)議 2. 國(guó)際程序許可協(xié)議 如果被許可方為了生產(chǎn)性使用目的（而不是為了評(píng)估、測(cè)試、試用“先試后 買(mǎi)”或演示）獲得本程序，單擊下面的“接受”按鈕即表示被許可方接受 國(guó)際程序許可協(xié)議，且不作任何修改。 如果被許可方為了評(píng)估、測(cè)試、試用“先試后買(mǎi)”或演示（統(tǒng)稱為“評(píng) 估”）目的獲得本程序：?jiǎn)螕粝旅娴摹敖邮堋卑粹o即表示被許可方同時(shí)接受 （i）評(píng)估程序的國(guó)際許可協(xié)議（“評(píng)估許可”），且不作任何修改；和 （ii）國(guó)際程序許可協(xié)議（“IPLA”），且不作任何修改。 按 Enter 鍵繼續(xù)查看本許可協(xié)議或按 "1" 接受本協(xié)議，按 "2" 拒絕本協(xié)議，按 "3" 打印本協(xié)議，按 "5" 用英語(yǔ)查 看，或按 "99" 回到上一屏幕。 1
按1選擇Rational PurifyPlus for Linux and UNIX
cnaps2 accepts the license agreement on 公元2014年07月31日 星期四 17時(shí)25分22秒. ------------------------------------------------------------------------------ Rational PurifyPlus for Linux and UNIX Product and License Configuration Selection Menu Make a selection that best describes your desired license set up. Enter option 1 if you are doing license set up for: Rational PurifyPlus for Linux and UNIX Enter option 2 if you are doing license set up for: Rational Purify/Quantify/PureCoverage You can only select one item from the list. These products require FLEXlm licensing. Enter option 'e' to see the specific FLEXlm licenses for each product. PurifyPlus or Individual License Configuration: 1) Rational PurifyPlus for Linux and UNIX 2) Rational Purify/Quantify/PureCoverage Individual Licensing 3) License setup only - IBM Rational products e) Explain what licenses are needed for each product. d) Download the latest version of the license_setup command from ftp.software.ibm.com and run it. b) Back to the previous menu. q) Quit license_setup. Enter q! to quit without saving your inputs. ?) Help. Enter option: [e] 1
按2選擇設(shè)置license文件
Enter option: [e] 1 Installing: FLEXlm 11.8 for Solaris SPARC... from: /home/cnaps2/PurifyPlus.7.0.1.0-006/extras/flexlm.sol to: /home/cnaps2/base/cots/flexlm.11.8/sun4_solaris2 Installing: FLEXlm 11.8 for Solaris x64... from: /home/cnaps2/PurifyPlus.7.0.1.0-006/extras/flexlm.solaris_x64 to: /home/cnaps2/base/cots/flexlm.11.8/solaris_x64 Installing: FLEXlm 11.8 for AIX... from: /home/cnaps2/PurifyPlus.7.0.1.0-006/extras/flexlm.aix to: /home/cnaps2/base/cots/flexlm.11.8/rs6k_aix Installing: FLEXlm 11.8 for Linux... from: /home/cnaps2/PurifyPlus.7.0.1.0-006/extras/flexlm.i386_linux2 to: /home/cnaps2/base/cots/flexlm.11.8/i386_linux2 ------------------------------------------------------------------------------ PurifyPlus - Licensing Options Menu Select one of the following 2 licensing options. 1) Use an existing IBM Rational license file (permanent or temporary) or license server for PurifyPlus 7.0.1.0-006. 2) Set up a license server using a permanent or term-license-agreement (TLA) license. You need a .upd license file to import into license_setup. b) Back to the previous menu. e) Explain the licensing options in more detail. q) Quit license_setup. Enter q! to quit without saving your inputs. Enter license option: [e] 2
輸入license文件的路徑
------------------------------------------------------------------------------ PurifyPlus - Import Licenses The import file you specify should be from a file you saved from an e-mail message you received from IBM. This is not the license file license_setup will set up. It is the license information this program will import to make decisions about what product(s) you have licensed and how the licenses should be set up with as a FLEXlm license server. The file is called something like license_for_server.upd. The file must contain FLEXlm SERVER and INCREMENT lines for PurifyPlus. Currently, license_setup cannot import a redundant server license file. If you do not have a .upd file to import licenses from, enter none. File to import from: [none] /home/cnaps2/PurifyPlus.7.0.1.0-006/IBM.Rational.PurifyPlus.v7.1.lic.eval.upd
選擇1檢查license文件
PurifyPlus - License Check Menu ---> 1) Check license keys in: /home/cnaps2/PurifyPlus.7.0.1.0-006/IBM.Rational.PurifyPlus.v7.1.lic.eval.upd Will check for these licenses: License Feature Description PurifyPlusUNIX Rational PurifyPlus for UNIX DevelopmentStudioUNIX Rational Suite DevelopmentStudio for UNIX DevelopmentStudioUNIXRT Rational Suite DevelopmentStudio RealTime for UNIX purecov Rational PureCoverage for UNIX purify Rational Purify for UNIX quantify Rational Quantify for UNIX The license server is not needed for uncounted licenses: 2) No need to start or restart the license server. 3) No need to check license server using lmstat--licenses are uncounted. 4) License settings for PurifyPlus up-to-date. b) Back to the previous menu. q) Quit license_setup. Enter q! to quit without saving your inputs. ?) Help. Enter menu option: [1]
license文件檢查通過(guò)后按回車(chē)?yán)^續(xù)
Will check for these specific licenses: License Feature Description PurifyPlusUNIX Rational PurifyPlus for UNIX DevelopmentStudioUNIX Rational Suite DevelopmentStudio for UNIX DevelopmentStudioUNIXRT Rational Suite DevelopmentStudio RealTime for UNIX purecov Rational PureCoverage for UNIX purify Rational Purify for UNIX quantify Rational Quantify for UNIX Searching for 'ibmratl' specific license keys in: /home/cnaps2/PurifyPlus.7.0.1.0-006/IBM.Rational.PurifyPlus.v7.1.lic.eval.upd No ibmratl specific licenses found. Searching for 'rational' specific license keys... One rational specific license found. All 'rational' license keys are okay in: /home/cnaps2/PurifyPlus.7.0.1.0-006/IBM.Rational.PurifyPlus.v7.1.lic.eval.upd Searching for 'telelogic' specific license keys... No telelogic specific licenses found. Press the Enter key to continue, q to quit license_setup:
按q退出,自此license安裝完畢
PurifyPlus - License Check Menu 1) Check license keys in: /home/cnaps2/PurifyPlus.7.0.1.0-006/IBM.Rational.PurifyPlus.v7.1.lic.eval.upd The license server is not needed for uncounted licenses: 2) No need to start or restart the license server. 3) No need to check license server using lmstat--licenses are uncounted. 4) License settings for PurifyPlus up-to-date. b) Back to the previous menu. ---> q) Quit license_setup. Enter q! to quit without saving your inputs. ?) Help. Enter menu option: [q]
2.2 安裝Purify
運(yùn)行rs_install
[cnaps2]:/home/cnaps2/PurifyPlus.7.0.1.0-006>./rs_install ------------------------------------------------------------------------------ RS Install IBM Corporation Version: 2.198 ------------------------------------------------------------------------------ Using RS Install You are running the rs_install command as cnaps2. Output from rs_install will be copied to a log file. When you exit rs_install or rs_install completes, the location of the log file is displayed. The -help option can be used to display rs_install command line options. All of your inputs will be saved for future runs of rs_install. You can enter a q, q! or ? at any prompt: q Will save your inputs and quit rs_install. q! Quit rs_install without saving your inputs. Note that the 'Rational' directory is always saved. ? Get help on the current prompt. Press the Enter key to continue, q to quit rs_install:
按回車(chē)?yán)^續(xù)
------------------------------------------------------------------------------ Rational PurifyPlus for Linux and UNIX - Enter Install Location Enter the location to install IBM Rational products. This will be referred to as the 'Rational' directory. In 'Rational' directory, rs_install will create a releases directory to keep all of the products by name and version. For example, in 'Rational'/releases, this install will create a 'PurifyPlus.7.0.1.0-006' directory to install Rational PurifyPlus for Linux and UNIX 7.0.1.0-006. The 'Rational' directory must be accessible from every machine where you plan to run these IBM Rational products. The 'Rational' directory path must be identical on each machine. Thus, an automount path like /tmp_mnt/rational should not be used because you cannot access this directory from every machine. Checking for 'Rational' directories.. One found. Enter 'Rational' directory: [/home/cnaps2]
輸入安裝目錄
Enter 'Rational' directory: [/home/cnaps2] /home/cnaps2
選擇1Rational PurifyPlus for Linux and UNIX
cnaps2 accepted the license agreement on 公元2014年07月31日 星期四 17時(shí)25分22秒. ------------------------------------------------------------------------------ Rational PurifyPlus for Linux and UNIX Product and License Configuration Selection Menu Make a selection that best describes your desired installation. Enter option 1 if you are installing and have a license for: Rational PurifyPlus for Linux and UNIX Enter option 2 if you are installing and have a license for: Rational Purify/Quantify/PureCoverage You can only select one item from the list. These products require FLEXlm licensing. Enter option 'e' to see the specific FLEXlm licenses for each product. PurifyPlus or Individual License Configuration: --> 1) Rational PurifyPlus for Linux and UNIX 2) Rational Purify/Quantify/PureCoverage Individual Licensing 3) License setup only - IBM Rational products e) Explain what licenses are needed for each product. d) Download the latest version of the rs_install command from ftp.software.ibm.com and run it. b) Back to the previous menu. q) Quit rs_install. Enter q! to quit without saving your inputs. ?) Help. Enter option: [1] 1
輸入yes,表示使用之前選定的license文件
Installed: FLEXlm 11.8 for Solaris SPARC Installed: FLEXlm 11.8 for Solaris x64 Installed: FLEXlm 11.8 for AIX Installed: FLEXlm 11.8 for Linux Installed: FLEXlm 11.8 for Solaris SPARC Installed: FLEXlm 11.8 for Solaris x64 Installed: FLEXlm 11.8 for AIX Installed: FLEXlm 11.8 for Linux Checking if PurifyPlus license is configured: Rational PurifyPlus for UNIX yes: /home/cnaps2/PurifyPlus.7.0.1.0-006/IBM.Rational.PurifyPlus.v7.1.lic.eval.upd (Has product licenses) Found one license file: /home/cnaps2/PurifyPlus.7.0.1.0-006/IBM.Rational.PurifyPlus.v7.1.lic.eval.upd contains: License: PurifyPlusUNIX Evaluation key expires: 15-aug-2014 Would you like to configure PurifyPlus to use this license file? [yes] yes
輸入1,安裝默認(rèn)組件
PurifyPlus - Typical/Custom Install Preference Choose the install option you prefer: ---> 1) Typical Install recommended product components. 2) Custom Select specific product components to install. b) Back to the previous menu. f) Forward to install and post-install PurifyPlus now. q) Quit rs_install. Enter q! to quit without saving your inputs. ?) Help. Enter install preference: [1]
選擇f,表示確定
------------------------------------------------------------------------------ PurifyPlus - Typical/Custom Install Preference Choose the install option you prefer: 1) Typical Install recommended product components. 2) Custom Select specific product components to install. You have chosen to do a typical install. b) Back to the previous menu. ---> f) Forward to install and post-install PurifyPlus now. q) Quit rs_install. Enter q! to quit without saving your inputs. ?) Help. Enter install preference: [f]
Purify會(huì)自動(dòng)檢測(cè)操作系統(tǒng),并安裝相應(yīng)版本的程序
------------------------------------------------------------------------------ Documentation Table The docs/ directory on the release media contains the on-line documentation for the product. This may include the installation guide, release note, getting started docs or on-line help. Install? Size (KB) Product Documentation -------- --------- --------------------- 1) yes 14164 Documents in HTML. (Documentation) 2) yes 3756 Documents for Adobe Acrobat reader. (Documentation) 3) yes 1 Rs Help List (Documentation) -------- --------- --------------------- all 17921 Total (does not account for documents already installed.) Updating: /home/cnaps2/config/PurifyPlus_License_Map [rev 198] Rational PurifyPlus for UNIX ------------------------------------------------------------------------------ ...... Creating/updating setup files in /home/cnaps2/releases/PurifyPlus.7.0.1.0-006... Created: purifyplus_setup.csh in PurifyPlus.7.0.1.0-006 Created: purifyplus_setup.sh in PurifyPlus.7.0.1.0-006 You can source the setup file to help you start the programs in this install. If you are installing this for users in addition to yourself you will want to have them add one of these commands to their login environment. Users of csh, tcsh and other csh-compatible shells do this: source /home/cnaps2/purifyplus_setup.csh Users of sh, ksh, bash and other bourne-compatible shells do this: . /home/cnaps2/purifyplus_setup.sh ------------------------------------------------------------------------------ The rs_install command completed successfully. Defaults saved in: /home/cnaps2/config/defaults/rs_install.PurifyPlus.7.0.1.0-006.cnaps2 rs_install log file: /home/cnaps2/releases/PurifyPlus.7.0.1.0-006/rs_install.L2601H8.cnaps2.log End of rs_install.
3 使用
3.1 查看幫助
使用web瀏覽器查看幫助文檔
purify －onlinehelp
查看完整的在線幫助
菜單Help>Help topics
菜單Help>On window
菜單Help>On content
3.2 使用步驟 ATTACH
只要將purify放在普通的編譯/鏈接命令前
purify cc -g hello.c
若編譯和鏈接是分成不同的步驟分布進(jìn)行的,則只需要將purify放在鏈接操作前即可.
cc -c -g hello.c purify cc -g hello.o
執(zhí)行編譯出來(lái)的程序.
程序會(huì)照常運(yùn)行,并顯示Purify Viewer窗口展示找到的BUG.
值得一提的是,Purify在找到BUG后并不會(huì)暫停程序的執(zhí)行,程序的啟動(dòng),運(yùn)行,退出與原程序一般無(wú)疑.
3.3 查看BUG ATTACH
NOTE: Purify Viewer一次只顯示一個(gè)可執(zhí)行程序的信息. 它會(huì)指明所顯示的可執(zhí)行程序名稱,所處于的目錄和執(zhí)行該程序的用戶ID
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3.4 定位BUG在源代碼中的位置 ATTACH
NOTE: 若在編譯時(shí)使用了-g選項(xiàng),則Purify View會(huì)顯示BUG所在的源文件,行號(hào)和涉及的變量名. 若沒(méi)有帶-g選項(xiàng),則只能顯示文件名和函數(shù)名.
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3.5 查找泄漏的內(nèi)存 ATTACH
當(dāng)程序退出,Purify會(huì)查找泄漏的內(nèi)存并給出未釋放的內(nèi)存報(bào)告.
Purify將內(nèi)存分為三個(gè)狀態(tài),每個(gè)狀態(tài)都會(huì)統(tǒng)計(jì)內(nèi)存塊的數(shù)量和大小.
Leaked memory
沒(méi)有指針指向這塊內(nèi)存
Potentially Leaked memory
沒(méi)有指針指向這塊內(nèi)存的頭部,但是有指針指向這塊內(nèi)存的內(nèi)部.
Memory in use
有指針指向的內(nèi)存塊(不存在泄漏的情況)
NOTE: 若運(yùn)行的是一個(gè)需要長(zhǎng)期不退出的程序,可以在程序尚在運(yùn)行時(shí),通過(guò)單擊菜單欄中的`New Leaks tool`按鈕來(lái)產(chǎn)生內(nèi)存泄漏的情況報(bào)告.
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3.6 修改BUG ATTACH
按下Edit tool按鈕(工具欄第5個(gè)按鈕顯示是一支筆寫(xiě)文檔)會(huì)打開(kāi)編輯器供你修改源代碼
NOTE: 默認(rèn)情況下,Purify View只顯示7行相關(guān)的源代碼. 但你可以通過(guò)修改Xresource來(lái)修改顯示的行數(shù)
3.7 隱藏消息 ATTACH
若檢測(cè)的程序很大,則可能會(huì)產(chǎn)生成百上千的關(guān)于BUG的信息報(bào)告. 這種情況下,要想快速的定位到最重要的BUG位置,可以隱藏指定類型或來(lái)源的信息.
在Purify viewer中隱藏消息的方法為:
選擇想隱藏的消息
選擇菜單Options>Suppressions
在Message to suppress處選擇要隱藏的消息的類型
在Where to suppress處選擇要隱藏的消息的來(lái)源
按下左下方的`Make permanent`按鈕會(huì)將隱藏配置保持在.purify文件中
右下方的`Select File…`按鈕可以選擇保持隱藏配置的.purify文件
4 保存/載入結(jié)果
Purify可以將檢測(cè)的結(jié)果保存到后綴為.pv的Purify View file中, 也可以從Purify View file中載入檢測(cè)結(jié)果
4.1 保存結(jié)果
選擇菜單`File>Save As`
輸入保存的文件名,后綴名使用.pv,表示為Purify view file
4.2 載入結(jié)果
有兩種方式載入結(jié)果文件
從View中選擇菜單`File>Open`,打開(kāi)Purify view file
在命令行運(yùn)行:
purify -view filename.pv
5 API
Purify提供了一系列的API可以插入到源代碼中提供更個(gè)性化的檢測(cè)功能.
要使用Purify API,需要include `<purifyhome>/purify.h`并且鏈接庫(kù)`<purifyhome/purify_stubs.a>`
| Commonly used API | functions Description |
|---|---|
| int purify_describe (char *addr) | Prints specific de tails about memory |
| int purify_is_running (void) | Returns "TRUE" if the program is instrumented |
| int purify_new_inuse (void) | Prints a message on all memory newly in use |
| int purify_new_leaks (void) | Prints a message on all new leaks |
| int purify_new_fds_inuse (void) | Lists the new open file descriptors |
| int purify_printf (char *format, …) | Prints formatted text to the Viewer or log-file |
| int purify_watch (char *addr) | Watches for memory write , malloc, free |
| int purify_watch_n (char *addr, int size, char *type) | Watches memory: type = " r", "w", "rw" |
| int purify_watch_info (void) | Lists active watchpoints |
| int purify_watch_remove (int watchno) | Removes a specified watchpoint |
| int purify_what_colors (char *addr, int size) | Prints the color coding of memory |
6 命令選項(xiàng)
6.1 Build-time options
在編譯時(shí)使用build-time options. 例如
purify -cache-dir=$HOME/cache -always-use-cache-dir cc -o hello hello.c
| options | 說(shuō)明 | 默認(rèn)值 |
|---|---|---|
| -always-use-cache-dir | Forces all instrumented object files to be written to the global cache directory | no |
| -cache-dir | Specifies the global directory where Purify caches instrumented object files | <purifyhome>/cache |
| -ignore-runtime-environment | Prevents the runtime Purify environment from overriding the option values used in building the program | no |
| -linker | Sets the alternative linker to build the executables instead of the system default | system-dependent |
| -print-home-dir | Prints the name of the directory wher e Purify is installed, then exits |
6.2 Runtime options
Runtime options除了可以在使用purify時(shí)用帶option的方式生效,還能通過(guò)寫(xiě)到環(huán)境變量`PURIFYOPTIONS`中生效.例如
setenv PURIFYOPTIONS "-log-file=mylog.%v.%p ‘printenv PURIFYOPTIONS‘"
| 選項(xiàng) | 說(shuō)明 | 默認(rèn)值 |
|---|---|---|
| -auto-mount-prefix | Removes the prefix used by file system auto-mounters | /tmp_mnt |
| -chain-length | Sets the maximum number of stack frames to print in a report | 6 |
| -fds-in-use-at-exit | Specifies that the file descriptor in us e message be displaye d at program exit | yes |
| -follow-child-processes | Controls whether Purify monitors child processes in an instrumented program | no |
| -jit-debug | Enables just-in-time debugging | none |
| -leaks-at-exit | Reports all leaked memory at program exit | yes |
| -log-file | Writes Purify output to a log file instead of the Viewer window | stderr |
| -messages | Controls display of repeated messages: "first", "all" , or in a "batch" at program exit | first |
| -program-name | Specifies the full pathname of the instrumented program if argv[ 0] contains an undesirable or incorrect value | argv[ 0] |
| -show-directory | Shows the directory path for each file in the call chain, if the information is available | no |
| -show-pc | Shows the full pc value in each frame of the call chain | no |
| -show-pc-offset | Appends a pc-offset to each function name in the call chain | no |
| -view-file | Saves Purify output to a view file ( .pv ) instead of the Viewer . | none |
| -user-path | Specifies a list of directories in which to search for programs and source code | none |
| -windows | Redirects Purify output to stderr instead of the Viewer if -windows=no | none |
網(wǎng)站標(biāo)題：Purify使用指南
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