From: Maxim U. <max...@li...> - 2013-10-18 12:22:32
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what is the status of that patch? Thank you, Maxim. On 10/09/2013 02:33 PM, Maxim Uvarov wrote: > On 10/09/2013 11:59 AM, Jan Stancek wrote: >> >> ----- Original Message ----- >>> From: "Maxim Uvarov" <max...@li...> >>> To: ltp...@li... >>> Cc: lin...@li..., "Maxim Uvarov" >>> <max...@li...> >>> Sent: Friday, 4 October, 2013 12:17:11 PM >>> Subject: [LTP] [PATCH] LTP max_map_count: filer out not accounted >>> vector stub for arm >>> >>> Arm has following vector stab: >>> ffff0000-ffff1000 r-xp 00000000 00:00 0 [vectors] >>> which is not accounted in map_count. >>> >>> Signed-off-by: Maxim Uvarov <max...@li...> >>> --- >>> testcases/kernel/mem/tunable/max_map_count.c | 19 >>> +++++++++++++++---- >>> 1 file changed, 15 insertions(+), 4 deletions(-) >>> >>> diff --git a/testcases/kernel/mem/tunable/max_map_count.c >>> b/testcases/kernel/mem/tunable/max_map_count.c >>> index 01fbe5e..ca28fba 100644 >>> --- a/testcases/kernel/mem/tunable/max_map_count.c >>> +++ b/testcases/kernel/mem/tunable/max_map_count.c >>> @@ -121,12 +121,24 @@ void cleanup(void) >>> * for in the vm_area_struct's map_count. >>> */ >>> #if defined(__x86_64__) || defined(__x86__) >>> -static int filter_map(char *buf) >>> +static int filter_map(char *line) >>> { >>> + char buf[BUFSIZ]; >>> + int ret; >>> + >>> + ret = sscanf(line, "%*p-%*p %*4s %*p %*2d:%*2d %*d %s", buf); >>> + if (ret != 1) >>> + return 0; >>> + >>> return strcmp(buf, "[vsyscall]") == 0; >>> } >>> +#elif defined(__arm__) >>> +static int filter_map(char *line) >>> +{ >>> + return strncmp(line, "ffff0000-ffff1000", 17) == 0; >> Hi, >> >> just curious, why comparing the range instead of name ([vectors])? >> >> Regards, >> Jan > for arm there are 8 regions for vectors. Only that region is not > accounted. > > Maxim. > >>> +} >>> #else >>> -static int filter_map(char *buf) >>> +static int filter_map(char *line) >>> { >>> return 0; >>> } >>> @@ -146,8 +158,7 @@ static long count_maps(pid_t pid) >>> tst_brkm(TBROK | TERRNO, cleanup, "fopen %s", buf); >>> while (getline(&line, &len, fp) != -1) { >>> /* exclude vdso and vsyscall */ >>> - if (sscanf(line, "%*p-%*p %*4s %*p %*2d:%*2d %*d %s", buf) == >>> - 1 && filter_map(buf)) >>> + if (filter_map(line)) >>> continue; >>> map_count++; >>> } >>> -- >>> 1.7.9.5 >>> >>> >>> ------------------------------------------------------------------------------ >>> >>> October Webinars: Code for Performance >>> Free Intel webinars can help you accelerate application performance. >>> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the >>> most from >>> the latest Intel processors and coprocessors. See abstracts and >>> register > >>> http://pubads.g.doubleclick.net/gampad/clk?id=60134791&iu=/4140/ostg.clktrk >>> >>> _______________________________________________ >>> Ltp-list mailing list >>> Ltp...@li... >>> https://lists.sourceforge.net/lists/listinfo/ltp-list >>> > |