kernel/linux.git/tools, branch v5.2.12

tools/power turbostat: Fix caller parameter of get_tdp_amd()

2019-09-06T08:23:41+00:00

commit 9cfa8e042f7cbb1994cc5923e46c78b36f6054f4 upstream. Commit 9392bd98bba760be96ee ("tools/power turbostat: Add support for AMD Fam 17h (Zen) RAPL") add a function get_tdp_amd(), the parameter is CPU family. But the rapl_probe_amd() function use wrong model parameter. Fix the wrong caller parameter of get_tdp_amd() to use family. Cc: # v5.1+ Signed-off-by: Pu Wen Reviewed-by: Calvin Walton Signed-off-by: Len Brown Signed-off-by: Greg Kroah-Hartman

selftests/bpf: install files test_xdp_vlan.sh

2019-09-06T08:23:29+00:00

[ Upstream commit 3035bb72ee47d494c041465b4add9c6407c832ed ] When ./test_xdp_vlan_mode_generic.sh runs it complains that it can't find file test_xdp_vlan.sh. # selftests: bpf: test_xdp_vlan_mode_generic.sh # ./test_xdp_vlan_mode_generic.sh: line 9: ./test_xdp_vlan.sh: No such file or directory Rework so that test_xdp_vlan.sh gets installed, added to the variable TEST_PROGS_EXTENDED. Fixes: d35661fcf95d ("selftests/bpf: add wrapper scripts for test_xdp_vlan.sh") Signed-off-by: Anders Roxell Acked-by: Jesper Dangaard Brouer Signed-off-by: Daniel Borkmann Signed-off-by: Sasha Levin

tools: hv: fix KVP and VSS daemons exit code

2019-09-06T08:23:27+00:00

[ Upstream commit b0995156071b0ff29a5902964a9dc8cfad6f81c0 ] HyperV KVP and VSS daemons should exit with 0 when the '--help' or '-h' flags are used. Signed-off-by: Adrian Vladu Cc: "K. Y. Srinivasan" Cc: Haiyang Zhang Cc: Stephen Hemminger Cc: Sasha Levin Cc: Alessandro Pilotti Signed-off-by: Sasha Levin

tools: hv: fixed Python pep8/flake8 warnings for lsvmbus

2019-09-06T08:23:26+00:00

[ Upstream commit 5912e791f3018de0a007c8cfa9cb38c97d3e5f5c ] Fixed pep8/flake8 python style code for lsvmbus tool. The TAB indentation was on purpose ignored (pep8 rule W191) to make sure the code is complying with the Linux code guideline. The following command doe not show any warnings now: pep8 --ignore=W191 lsvmbus flake8 --ignore=W191 lsvmbus Signed-off-by: Adrian Vladu Cc: "K. Y. Srinivasan" Cc: Haiyang Zhang Cc: Stephen Hemminger Cc: Sasha Levin Cc: Dexuan Cui Cc: Alessandro Pilotti Signed-off-by: Sasha Levin

selftests: kvm: Adding config fragments

2019-08-29T06:30:20+00:00

[ Upstream commit c096397c78f766db972f923433031f2dec01cae0 ] selftests kvm test cases need pre-required kernel configs for the test to get pass. Signed-off-by: Naresh Kamboju Signed-off-by: Paolo Bonzini Signed-off-by: Sasha Levin

perf pmu-events: Fix missing "cpu_clk_unhalted.core" event

2019-08-29T06:30:19+00:00

[ Upstream commit 8e6e5bea2e34c61291d00cb3f47560341aa84bc3 ] The events defined in pmu-events JSON are parsed and added into perf tool. For fixed counters, we handle the encodings between JSON and perf by using a static array fixed[]. But the fixed[] has missed an important event "cpu_clk_unhalted.core". For example, on the Tremont platform, [root@localhost ~]# perf stat -e cpu_clk_unhalted.core -a event syntax error: 'cpu_clk_unhalted.core' \___ parser error With this patch, the event cpu_clk_unhalted.core can be parsed. [root@localhost perf]# ./perf stat -e cpu_clk_unhalted.core -a -vvv ------------------------------------------------------------ perf_event_attr: type 4 size 112 config 0x3c sample_type IDENTIFIER read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING disabled 1 inherit 1 exclude_guest 1 ------------------------------------------------------------ ... Signed-off-by: Jin Yao Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jin Yao Cc: Jiri Olsa Cc: Kan Liang Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20190729072755.2166-1-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin

perf cpumap: Fix writing to illegal memory in handling cpumap mask

2019-08-29T06:30:18+00:00

[ Upstream commit 5f5e25f1c7933a6e1673515c0b1d5acd82fea1ed ] cpu_map__snprint_mask() would write to illegal memory pointed by zalloc(0) when there is only one cpu. This patch fixes the calculation and adds sanity check against the input parameters. Signed-off-by: He Zhe Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Jiri Olsa Cc: Kan Liang Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Fixes: 4400ac8a9a90 ("perf cpumap: Introduce cpu_map__snprint_mask()") Link: http://lkml.kernel.org/r/1564734592-15624-2-git-send-email-zhe.he@windriver.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin

perf ftrace: Fix failure to set cpumask when only one cpu is present

2019-08-29T06:30:18+00:00

[ Upstream commit cf30ae726c011e0372fd4c2d588466c8b50a8907 ] The buffer containing the string used to set cpumask is overwritten at the end of the string later in cpu_map__snprint_mask due to not enough memory space, when there is only one cpu. And thus causes the following failure: $ perf ftrace ls failed to reset ftrace $ This patch fixes the calculation of the cpumask string size. Signed-off-by: He Zhe Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Jiri Olsa Cc: Kan Liang Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Fixes: dc23103278c5 ("perf ftrace: Add support for -a and -C option") Link: http://lkml.kernel.org/r/1564734592-15624-1-git-send-email-zhe.he@windriver.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin

perf bench numa: Fix cpu0 binding

2019-08-29T06:30:11+00:00

[ Upstream commit 6bbfe4e602691b90ac866712bd4c43c51e546a60 ] Michael reported an issue with perf bench numa failing with binding to cpu0 with '-0' option. # perf bench numa mem -p 3 -t 1 -P 512 -s 100 -zZcm0 --thp 1 -M 1 -ddd # Running 'numa/mem' benchmark: # Running main, "perf bench numa numa-mem -p 3 -t 1 -P 512 -s 100 -zZcm0 --thp 1 -M 1 -ddd" binding to node 0, mask: 0000000000000001 => -1 perf: bench/numa.c:356: bind_to_memnode: Assertion `!(ret)' failed. Aborted (core dumped) This happens when the cpu0 is not part of node0, which is the benchmark assumption and we can see that's not the case for some powerpc servers. Using correct node for cpu0 binding. Reported-by: Michael Petlan Signed-off-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Satheesh Rajendran Link: http://lkml.kernel.org/r/20190801142642.28004-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin

libbpf: silence GCC8 warning about string truncation

2019-08-29T06:30:05+00:00

[ Upstream commit cb8ffde5694ae5fffb456eae932aac442aa3a207 ] Despite a proper NULL-termination after strncpy(..., ..., IFNAMSIZ - 1), GCC8 still complains about *expected* string truncation: xsk.c:330:2: error: 'strncpy' output may be truncated copying 15 bytes from a string of length 15 [-Werror=stringop-truncation] strncpy(ifr.ifr_name, xsk->ifname, IFNAMSIZ - 1); This patch gets rid of the issue altogether by using memcpy instead. There is no performance regression, as strncpy will still copy and fill all of the bytes anyway. v1->v2: - rebase against bpf tree. Cc: Magnus Karlsson Signed-off-by: Andrii Nakryiko Acked-by: Magnus Karlsson Acked-by: Song Liu Signed-off-by: Alexei Starovoitov Signed-off-by: Sasha Levin