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Miller" CC: , , Smtp-Origin-Cluster: lla1c22 Subject: [PATCH bpf-next 0/3] bpf: btf: json print btf info with bpftool map dump X-FB-Internal: Safe MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-06-20_09:,, signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, These patches augment the bpftool's map dump command with BTF info. In particular, when user runs `bpftool map dump [-j|-p] id `, they will see map data formatted and tagged based upon BTF information associated with that map. Here is what each patch does: Patch 1 exports BTF functions inside libbpf, to be used by patch 2. Patch 2 adds btf_dumper which uses type info exported in patch 1 along with json_writer to json print or pretty json print map values alongside btf debug info. Patch 3 uses btf_dumper to json or pretty print map values when -j or -p flag is specified to `btf map dump`. Further details are included in patch descriptions. Thanks, Okash