[tip:perf/urgent] MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer
Commit-ID: 4799f6856fdd38c8078a190eca3288029287cf66 Gitweb: https://git.kernel.org/tip/4799f6856fdd38c8078a190eca3288029287cf66 Author: Ananth N Mavinakayanahalli AuthorDate: Tue, 17 Jul 2018 11:32:37 +0530 Committer: Ingo Molnar CommitDate: Tue, 24 Jul 2018 17:01:28 +0200 MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer Naveen has been contributing consistently reviewing and hardening kprobes for some time now. I have not been able to do the same due to other commitments. Signed-off-by: Ananth N Mavinakayanahalli Cc: Naveen N. Rao Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Anil S Keshavamurthy Cc: "David S. Miller" Cc: Masami Hiramatsu Cc: Arnaldo Carvalho de Melo Cc: Namhyung Kim Cc: Jiri Olsa Cc: a...@linux-foundation.org Cc: mhira...@kernel.org Link: http://lkml.kernel.org/r/153180735790.1914.15547706781664285286.stgit@thinktux Signed-off-by: Ingo Molnar --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 0fe4228f78cb..42a884c1b0f7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7984,7 +7984,7 @@ F:lib/test_kmod.c F: tools/testing/selftests/kmod/ KPROBES -M: Ananth N Mavinakayanahalli +M: Naveen N. Rao M: Anil S Keshavamurthy M: "David S. Miller" M: Masami Hiramatsu
[tip:perf/urgent] MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer
Commit-ID: 4799f6856fdd38c8078a190eca3288029287cf66 Gitweb: https://git.kernel.org/tip/4799f6856fdd38c8078a190eca3288029287cf66 Author: Ananth N Mavinakayanahalli AuthorDate: Tue, 17 Jul 2018 11:32:37 +0530 Committer: Ingo Molnar CommitDate: Tue, 24 Jul 2018 17:01:28 +0200 MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer Naveen has been contributing consistently reviewing and hardening kprobes for some time now. I have not been able to do the same due to other commitments. Signed-off-by: Ananth N Mavinakayanahalli Cc: Naveen N. Rao Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Anil S Keshavamurthy Cc: "David S. Miller" Cc: Masami Hiramatsu Cc: Arnaldo Carvalho de Melo Cc: Namhyung Kim Cc: Jiri Olsa Cc: a...@linux-foundation.org Cc: mhira...@kernel.org Link: http://lkml.kernel.org/r/153180735790.1914.15547706781664285286.stgit@thinktux Signed-off-by: Ingo Molnar --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 0fe4228f78cb..42a884c1b0f7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7984,7 +7984,7 @@ F:lib/test_kmod.c F: tools/testing/selftests/kmod/ KPROBES -M: Ananth N Mavinakayanahalli +M: Naveen N. Rao M: Anil S Keshavamurthy M: "David S. Miller" M: Masami Hiramatsu
[tip:perf/urgent] MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer
Commit-ID: 1b51a2fe84d87ae3df11b169cfb38db16df0c9af Gitweb: https://git.kernel.org/tip/1b51a2fe84d87ae3df11b169cfb38db16df0c9af Author: Ananth N Mavinakayanahalli AuthorDate: Tue, 17 Jul 2018 11:32:37 +0530 Committer: Ingo Molnar CommitDate: Tue, 17 Jul 2018 09:23:23 +0200 MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer Naveen has been contributing consistently reviewing and hardening kprobes for some time now. I have not been able to do the same due to other commitments. Signed-off-by: Ananth N Mavinakayanahalli Cc: Naveen N. Rao Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Anil S Keshavamurthy Cc: "David S. Miller" Cc: Masami Hiramatsu Cc: Arnaldo Carvalho de Melo Cc: Namhyung Kim Cc: Jiri Olsa Cc: a...@linux-foundation.org Cc: mhira...@kernel.org Link: http://lkml.kernel.org/r/153180735790.1914.15547706781664285286.stgit@thinktux Signed-off-by: Ingo Molnar --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 192d7f73fd01..7aec3c9709ba 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7985,7 +7985,7 @@ F:lib/test_kmod.c F: tools/testing/selftests/kmod/ KPROBES -M: Ananth N Mavinakayanahalli +M: Naveen N. Rao M: Anil S Keshavamurthy M: "David S. Miller" M: Masami Hiramatsu
[tip:perf/urgent] MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer
Commit-ID: 1b51a2fe84d87ae3df11b169cfb38db16df0c9af Gitweb: https://git.kernel.org/tip/1b51a2fe84d87ae3df11b169cfb38db16df0c9af Author: Ananth N Mavinakayanahalli AuthorDate: Tue, 17 Jul 2018 11:32:37 +0530 Committer: Ingo Molnar CommitDate: Tue, 17 Jul 2018 09:23:23 +0200 MAINTAINERS: Add Naveen N. Rao as kprobes co-maintainer Naveen has been contributing consistently reviewing and hardening kprobes for some time now. I have not been able to do the same due to other commitments. Signed-off-by: Ananth N Mavinakayanahalli Cc: Naveen N. Rao Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Anil S Keshavamurthy Cc: "David S. Miller" Cc: Masami Hiramatsu Cc: Arnaldo Carvalho de Melo Cc: Namhyung Kim Cc: Jiri Olsa Cc: a...@linux-foundation.org Cc: mhira...@kernel.org Link: http://lkml.kernel.org/r/153180735790.1914.15547706781664285286.stgit@thinktux Signed-off-by: Ingo Molnar --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 192d7f73fd01..7aec3c9709ba 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7985,7 +7985,7 @@ F:lib/test_kmod.c F: tools/testing/selftests/kmod/ KPROBES -M: Ananth N Mavinakayanahalli +M: Naveen N. Rao M: Anil S Keshavamurthy M: "David S. Miller" M: Masami Hiramatsu
[tip:perf/core] perf probe ppc64le: Fix ppc64 ABIv2 symbol decoding
Commit-ID: c50fc0a43e33a6c3257c5cbb954cd747d7b9a680
Gitweb: http://git.kernel.org/tip/c50fc0a43e33a6c3257c5cbb954cd747d7b9a680
Author: Ananth N Mavinakayanahalli
AuthorDate: Tue, 28 Apr 2015 17:35:38 +0530
Committer: Arnaldo Carvalho de Melo
CommitDate: Mon, 4 May 2015 12:43:45 -0300
perf probe ppc64le: Fix ppc64 ABIv2 symbol decoding
ppc64 ELF ABIv2 has a Global Entry Point (GEP) and a Local Entry Point
(LEP). For purposes of probing, we need the LEP - the offset to which is
encoded in st_other.
Signed-off-by: Ananth N Mavinakayanahalli
Reviewed-by: Srikar Dronamraju
Cc: Masami Hiramatsu
Cc: Michael Ellerman
Cc: Sukadev Bhattiprolu
Cc: linuxppc-...@lists.ozlabs.org
Link:
http://lkml.kernel.org/r/ab9cc5e2b9de4cbaaf50f6ef2346a6a81100bad1.1430217967.git.naveen.n@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/arch/powerpc/util/sym-handling.c | 7 +++
tools/perf/util/symbol-elf.c| 4
tools/perf/util/symbol.h| 1 +
3 files changed, 12 insertions(+)
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c
b/tools/perf/arch/powerpc/util/sym-handling.c
index 2de2cc4..012a0f8 100644
--- a/tools/perf/arch/powerpc/util/sym-handling.c
+++ b/tools/perf/arch/powerpc/util/sym-handling.c
@@ -17,6 +17,13 @@ bool elf__needs_adjust_symbols(GElf_Ehdr ehdr)
ehdr.e_type == ET_REL ||
ehdr.e_type == ET_DYN;
}
+
+#if defined(_CALL_ELF) && _CALL_ELF == 2
+void arch__elf_sym_adjust(GElf_Sym *sym)
+{
+ sym->st_value += PPC64_LOCAL_ENTRY_OFFSET(sym->st_other);
+}
+#endif
#endif
#if !defined(_CALL_ELF) || _CALL_ELF != 2
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 54347ba..d99b442 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -775,6 +775,8 @@ static bool want_demangle(bool is_kernel_sym)
return is_kernel_sym ? symbol_conf.demangle_kernel :
symbol_conf.demangle;
}
+void __weak arch__elf_sym_adjust(GElf_Sym *sym __maybe_unused) { }
+
int dso__load_sym(struct dso *dso, struct map *map,
struct symsrc *syms_ss, struct symsrc *runtime_ss,
symbol_filter_t filter, int kmodule)
@@ -939,6 +941,8 @@ int dso__load_sym(struct dso *dso, struct map *map,
(sym.st_value & 1))
--sym.st_value;
+ arch__elf_sym_adjust();
+
if (dso->kernel || kmodule) {
char dso_name[PATH_MAX];
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index bd50ba0..9096529 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -305,6 +305,7 @@ int setup_intlist(struct intlist **list, const char
*list_str,
#ifdef HAVE_LIBELF_SUPPORT
bool elf__needs_adjust_symbols(GElf_Ehdr ehdr);
+void arch__elf_sym_adjust(GElf_Sym *sym);
#endif
#define SYMBOL_A 0
--
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[tip:perf/core] perf probe ppc64le: Fix ppc64 ABIv2 symbol decoding
Commit-ID: c50fc0a43e33a6c3257c5cbb954cd747d7b9a680
Gitweb: http://git.kernel.org/tip/c50fc0a43e33a6c3257c5cbb954cd747d7b9a680
Author: Ananth N Mavinakayanahalli ana...@in.ibm.com
AuthorDate: Tue, 28 Apr 2015 17:35:38 +0530
Committer: Arnaldo Carvalho de Melo a...@redhat.com
CommitDate: Mon, 4 May 2015 12:43:45 -0300
perf probe ppc64le: Fix ppc64 ABIv2 symbol decoding
ppc64 ELF ABIv2 has a Global Entry Point (GEP) and a Local Entry Point
(LEP). For purposes of probing, we need the LEP - the offset to which is
encoded in st_other.
Signed-off-by: Ananth N Mavinakayanahalli ana...@in.ibm.com
Reviewed-by: Srikar Dronamraju sri...@linux.vnet.ibm.com
Cc: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Cc: Michael Ellerman m...@ellerman.id.au
Cc: Sukadev Bhattiprolu suka...@linux.vnet.ibm.com
Cc: linuxppc-...@lists.ozlabs.org
Link:
http://lkml.kernel.org/r/ab9cc5e2b9de4cbaaf50f6ef2346a6a81100bad1.1430217967.git.naveen.n@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao naveen.n@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo a...@redhat.com
---
tools/perf/arch/powerpc/util/sym-handling.c | 7 +++
tools/perf/util/symbol-elf.c| 4
tools/perf/util/symbol.h| 1 +
3 files changed, 12 insertions(+)
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c
b/tools/perf/arch/powerpc/util/sym-handling.c
index 2de2cc4..012a0f8 100644
--- a/tools/perf/arch/powerpc/util/sym-handling.c
+++ b/tools/perf/arch/powerpc/util/sym-handling.c
@@ -17,6 +17,13 @@ bool elf__needs_adjust_symbols(GElf_Ehdr ehdr)
ehdr.e_type == ET_REL ||
ehdr.e_type == ET_DYN;
}
+
+#if defined(_CALL_ELF) _CALL_ELF == 2
+void arch__elf_sym_adjust(GElf_Sym *sym)
+{
+ sym-st_value += PPC64_LOCAL_ENTRY_OFFSET(sym-st_other);
+}
+#endif
#endif
#if !defined(_CALL_ELF) || _CALL_ELF != 2
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 54347ba..d99b442 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -775,6 +775,8 @@ static bool want_demangle(bool is_kernel_sym)
return is_kernel_sym ? symbol_conf.demangle_kernel :
symbol_conf.demangle;
}
+void __weak arch__elf_sym_adjust(GElf_Sym *sym __maybe_unused) { }
+
int dso__load_sym(struct dso *dso, struct map *map,
struct symsrc *syms_ss, struct symsrc *runtime_ss,
symbol_filter_t filter, int kmodule)
@@ -939,6 +941,8 @@ int dso__load_sym(struct dso *dso, struct map *map,
(sym.st_value 1))
--sym.st_value;
+ arch__elf_sym_adjust(sym);
+
if (dso-kernel || kmodule) {
char dso_name[PATH_MAX];
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index bd50ba0..9096529 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -305,6 +305,7 @@ int setup_intlist(struct intlist **list, const char
*list_str,
#ifdef HAVE_LIBELF_SUPPORT
bool elf__needs_adjust_symbols(GElf_Ehdr ehdr);
+void arch__elf_sym_adjust(GElf_Sym *sym);
#endif
#define SYMBOL_A 0
--
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[tip:perf/urgent] perf probe: Fix segfault
Commit-ID: 79146a69c8bc3f28e51c5267633abc6babf47a31 Gitweb: http://git.kernel.org/tip/79146a69c8bc3f28e51c5267633abc6babf47a31 Author: Ananth N Mavinakayanahalli AuthorDate: Tue, 12 Mar 2013 14:32:17 +0530 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 13 Mar 2013 17:00:33 -0300 perf probe: Fix segfault Fix segfault in perf probe due to a bug introduced by commit d8639f068 (perf tools: Stop using 'self' in strlist). Signed-off-by: Ananth N Mavinakayanahalli Acked-by: Srikar Dronamraju Cc: Srikar Dronamraju Link: http://lkml.kernel.org/r/20130312090217.gc4...@in.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/strlist.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c index 55433aa..eabdce0 100644 --- a/tools/perf/util/strlist.c +++ b/tools/perf/util/strlist.c @@ -143,7 +143,7 @@ struct strlist *strlist__new(bool dupstr, const char *list) slist->rblist.node_delete = strlist__node_delete; slist->dupstr= dupstr; - if (slist && strlist__parse_list(slist, list) != 0) + if (list && strlist__parse_list(slist, list) != 0) goto out_error; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[tip:perf/urgent] perf probe: Fix segfault
Commit-ID: 79146a69c8bc3f28e51c5267633abc6babf47a31 Gitweb: http://git.kernel.org/tip/79146a69c8bc3f28e51c5267633abc6babf47a31 Author: Ananth N Mavinakayanahalli ana...@in.ibm.com AuthorDate: Tue, 12 Mar 2013 14:32:17 +0530 Committer: Arnaldo Carvalho de Melo a...@redhat.com CommitDate: Wed, 13 Mar 2013 17:00:33 -0300 perf probe: Fix segfault Fix segfault in perf probe due to a bug introduced by commit d8639f068 (perf tools: Stop using 'self' in strlist). Signed-off-by: Ananth N Mavinakayanahalli ana...@in.ibm.com Acked-by: Srikar Dronamraju sri...@linux.vnet.ibm.com Cc: Srikar Dronamraju sri...@linux.vnet.ibm.com Link: http://lkml.kernel.org/r/20130312090217.gc4...@in.ibm.com Signed-off-by: Arnaldo Carvalho de Melo a...@redhat.com --- tools/perf/util/strlist.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c index 55433aa..eabdce0 100644 --- a/tools/perf/util/strlist.c +++ b/tools/perf/util/strlist.c @@ -143,7 +143,7 @@ struct strlist *strlist__new(bool dupstr, const char *list) slist-rblist.node_delete = strlist__node_delete; slist-dupstr= dupstr; - if (slist strlist__parse_list(slist, list) != 0) + if (list strlist__parse_list(slist, list) != 0) goto out_error; } -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
