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[94.113.247.30]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5dece1c46b3sm3547034a12.21.2025.02.14.14.14.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2025 14:14:28 -0800 (PST) From: Jiri Olsa X-Google-Original-From: Jiri Olsa Date: Fri, 14 Feb 2025 23:14:26 +0100 To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, bpf , linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Peter Zijlstra , Linus Torvalds , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Zheng Yejian , Martin Kelly , Christophe Leroy , Josh Poimboeuf , Heiko Carstens , Catalin Marinas , Will Deacon , Vasily Gorbik , Alexander Gordeev Subject: Re: [PATCH v3 4/6] scripts/sorttable: Zero out weak functions in mcount_loc table Message-ID: References: <20250213162047.306074881@goodmis.org> <20250213162145.986887092@goodmis.org> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250213162145.986887092@goodmis.org> On Thu, Feb 13, 2025 at 11:20:51AM -0500, Steven Rostedt wrote: SNIP > +static int cmp_funcs(const void *A, const void *B) > +{ > + const struct func_info *a = A; > + const struct func_info *b = B; > + > + if (a->addr < b->addr) > + return -1; > + return a->addr > b->addr; > +} > + > +static int parse_symbols(const char *fname) > +{ > + FILE *fp; > + char addr_str[20]; /* Only need 17, but round up to next int size */ > + char size_str[20]; > + char type; > + > + fp = fopen(fname, "r"); > + if (!fp) { > + perror(fname); > + return -1; > + } > + > + while (fscanf(fp, "%16s %16s %c %*s\n", addr_str, size_str, &type) == 3) { > + uint64_t addr; > + uint64_t size; > + > + /* Only care about functions */ > + if (type != 't' && type != 'T') > + continue; hi, I think we need the 'W' check in here [1] jirka [1] https://lore.kernel.org/bpf/20250103071409.47db1479@batman.local.home/